diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.expect
index c139def3aa031..57e8b6efbf349 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & int? _ as double?:
+  case int? _ as double? & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.transformed.expect
index c139def3aa031..57e8b6efbf349 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & int? _ as double?:
+  case int? _ as double? & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.expect
index c139def3aa031..57e8b6efbf349 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & int? _ as double?:
+  case int? _ as double? & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.modular.expect
index c139def3aa031..57e8b6efbf349 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & int? _ as double?:
+  case int? _ as double? & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.transformed.expect
index c139def3aa031..57e8b6efbf349 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & int? _ as double?:
+  case int? _ as double? & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.expect
index ed3efd813f134..bc1623ccbef64 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? & int? _:
+  case int? _ & double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.transformed.expect
index ed3efd813f134..bc1623ccbef64 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? & int? _:
+  case int? _ & double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.expect
index ed3efd813f134..bc1623ccbef64 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? & int? _:
+  case int? _ & double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.modular.expect
index ed3efd813f134..bc1623ccbef64 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? & int? _:
+  case int? _ & double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.transformed.expect
index ed3efd813f134..bc1623ccbef64 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_and_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? & int? _:
+  case int? _ & double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.expect
index 727851035f433..9d8f70542dd09 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | int? _ as double?:
+  case int? _ as double? | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.transformed.expect
index 727851035f433..9d8f70542dd09 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | int? _ as double?:
+  case int? _ as double? | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.expect
index 727851035f433..9d8f70542dd09 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | int? _ as double?:
+  case int? _ as double? | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.modular.expect
index 727851035f433..9d8f70542dd09 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | int? _ as double?:
+  case int? _ as double? | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.transformed.expect
index 727851035f433..9d8f70542dd09 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | int? _ as double?:
+  case int? _ as double? | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.expect
index cf769c5ee4c14..da227aeae44f1 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? | int? _:
+  case int? _ | double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.transformed.expect
index cf769c5ee4c14..da227aeae44f1 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? | int? _:
+  case int? _ | double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.expect
index cf769c5ee4c14..da227aeae44f1 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? | int? _:
+  case int? _ | double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.modular.expect
index cf769c5ee4c14..da227aeae44f1 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? | int? _:
+  case int? _ | double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.transformed.expect
index cf769c5ee4c14..da227aeae44f1 100644
--- a/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/cast_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case double? _ as Object? | int? _:
+  case int? _ | double? _ as Object?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.expect
index 2d69c0911ae3e..d74f6d65860c4 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ & int? _:
+  case int? _ & double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.transformed.expect
index 2d69c0911ae3e..d74f6d65860c4 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ & int? _:
+  case int? _ & double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.expect
index 2d69c0911ae3e..d74f6d65860c4 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ & int? _:
+  case int? _ & double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.modular.expect
index 2d69c0911ae3e..d74f6d65860c4 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ & int? _:
+  case int? _ & double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.transformed.expect
index 2d69c0911ae3e..d74f6d65860c4 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ & int? _:
+  case int? _ & double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.expect
index f25adf4ded6c3..ec2a55d3384a5 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ & int? _:
+  case int? _ & double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.transformed.expect
index f25adf4ded6c3..ec2a55d3384a5 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ & int? _:
+  case int? _ & double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.expect
index f25adf4ded6c3..ec2a55d3384a5 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ & int? _:
+  case int? _ & double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.modular.expect
index f25adf4ded6c3..ec2a55d3384a5 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ & int? _:
+  case int? _ & double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.transformed.expect
index f25adf4ded6c3..ec2a55d3384a5 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ & int? _:
+  case int? _ & double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.expect
index a300fc995efa3..e06d3f3dcc370 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ | int? _:
+  case int? _ | double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.transformed.expect
index a300fc995efa3..e06d3f3dcc370 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ | int? _:
+  case int? _ | double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.expect
index a300fc995efa3..e06d3f3dcc370 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ | int? _:
+  case int? _ | double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.modular.expect
index a300fc995efa3..e06d3f3dcc370 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ | int? _:
+  case int? _ | double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.transformed.expect
index a300fc995efa3..e06d3f3dcc370 100644
--- a/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_and_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ & double? _ | int? _:
+  case int? _ | double? _ & Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.expect
index e66ee7efb0221..23cbc89ed331c 100644
--- a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ | int? _:
+  case int? _ | double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.transformed.expect
index e66ee7efb0221..23cbc89ed331c 100644
--- a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ | int? _:
+  case int? _ | double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.expect
index e66ee7efb0221..23cbc89ed331c 100644
--- a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ | int? _:
+  case int? _ | double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.modular.expect
index e66ee7efb0221..23cbc89ed331c 100644
--- a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ | int? _:
+  case int? _ | double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.transformed.expect
index e66ee7efb0221..23cbc89ed331c 100644
--- a/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/logical_or_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case Object? _ | double? _ | int? _:
+  case int? _ | double? _ | Object? _:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.expect
index 7058715600557..76979dc0090d1 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1!:
+  case 1! & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.transformed.expect
index 7058715600557..76979dc0090d1 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1!:
+  case 1! & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.expect
index 7058715600557..76979dc0090d1 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1!:
+  case 1! & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.modular.expect
index 7058715600557..76979dc0090d1 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1!:
+  case 1! & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.transformed.expect
index 7058715600557..76979dc0090d1 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1!:
+  case 1! & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.expect
index d22c4579f080e..a60174a756222 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! & 1:
+  case 1 & 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.transformed.expect
index d22c4579f080e..a60174a756222 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! & 1:
+  case 1 & 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.expect
index d22c4579f080e..a60174a756222 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! & 1:
+  case 1 & 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.modular.expect
index d22c4579f080e..a60174a756222 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! & 1:
+  case 1 & 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.transformed.expect
index d22c4579f080e..a60174a756222 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_and_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! & 1:
+  case 1 & 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.expect
index ad90f9dc27c85..c4f5723636de0 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1!:
+  case 1! | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.transformed.expect
index ad90f9dc27c85..c4f5723636de0 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1!:
+  case 1! | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.expect
index ad90f9dc27c85..c4f5723636de0 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1!:
+  case 1! | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.modular.expect
index ad90f9dc27c85..c4f5723636de0 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1!:
+  case 1! | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.transformed.expect
index ad90f9dc27c85..c4f5723636de0 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1!:
+  case 1! | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.expect
index 3ced4601e6e0d..a468ac72ad09b 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! | 1:
+  case 1 | 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.transformed.expect
index 3ced4601e6e0d..a468ac72ad09b 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! | 1:
+  case 1 | 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.expect
index 3ced4601e6e0d..a468ac72ad09b 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! | 1:
+  case 1 | 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.modular.expect
index 3ced4601e6e0d..a468ac72ad09b 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! | 1:
+  case 1 | 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.transformed.expect
index 3ced4601e6e0d..a468ac72ad09b 100644
--- a/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_assert_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2! | 1:
+  case 1 | 2!:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.expect
index ec9cd81ed0b28..dba8dd6bc26a1 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1?:
+  case 1? & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.transformed.expect
index ec9cd81ed0b28..dba8dd6bc26a1 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1?:
+  case 1? & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.expect
index ec9cd81ed0b28..dba8dd6bc26a1 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1?:
+  case 1? & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.modular.expect
index ec9cd81ed0b28..dba8dd6bc26a1 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1?:
+  case 1? & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.transformed.expect
index ec9cd81ed0b28..dba8dd6bc26a1 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & 1?:
+  case 1? & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.expect
index 43fd677ba93f6..029edc73fac4b 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? & 1:
+  case 1 & 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.transformed.expect
index 43fd677ba93f6..029edc73fac4b 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? & 1:
+  case 1 & 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.expect
index 43fd677ba93f6..029edc73fac4b 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? & 1:
+  case 1 & 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.modular.expect
index 43fd677ba93f6..029edc73fac4b 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? & 1:
+  case 1 & 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.transformed.expect
index 43fd677ba93f6..029edc73fac4b 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_and_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? & 1:
+  case 1 & 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.expect
index a076817706944..92b6f95b292e2 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1?:
+  case 1? | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.transformed.expect
index a076817706944..92b6f95b292e2 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1?:
+  case 1? | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.expect
index a076817706944..92b6f95b292e2 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1?:
+  case 1? | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.modular.expect
index a076817706944..92b6f95b292e2 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1?:
+  case 1? | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.transformed.expect
index a076817706944..92b6f95b292e2 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | 1?:
+  case 1? | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.expect
index 08f72b123c720..ebf55a2fd4404 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? | 1:
+  case 1 | 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.transformed.expect
index 08f72b123c720..ebf55a2fd4404 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? | 1:
+  case 1 | 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.expect
index 08f72b123c720..ebf55a2fd4404 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? | 1:
+  case 1 | 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.modular.expect
index 08f72b123c720..ebf55a2fd4404 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? | 1:
+  case 1 | 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.transformed.expect
index 08f72b123c720..ebf55a2fd4404 100644
--- a/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/null_check_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2? | 1:
+  case 1 | 2?:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.expect
index 88f416e07a1db..c1c15a6f70f40 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & == 1:
+  case == 1 & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.transformed.expect
index 88f416e07a1db..c1c15a6f70f40 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & == 1:
+  case == 1 & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.expect
index 88f416e07a1db..c1c15a6f70f40 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & == 1:
+  case == 1 & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.modular.expect
index 88f416e07a1db..c1c15a6f70f40 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & == 1:
+  case == 1 & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.transformed.expect
index 88f416e07a1db..c1c15a6f70f40 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & == 1:
+  case == 1 & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.expect
index e439ecb7c5a11..c72bd66cd3323 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 & 1:
+  case 1 & == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.transformed.expect
index e439ecb7c5a11..c72bd66cd3323 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 & 1:
+  case 1 & == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.expect
index e439ecb7c5a11..c72bd66cd3323 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 & 1:
+  case 1 & == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.modular.expect
index e439ecb7c5a11..c72bd66cd3323 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 & 1:
+  case 1 & == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.transformed.expect
index e439ecb7c5a11..c72bd66cd3323 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_and_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 & 1:
+  case 1 & == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.expect
index 7155c2273e176..c7eaac135b941 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | == 1:
+  case == 1 | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.transformed.expect
index 7155c2273e176..c7eaac135b941 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | == 1:
+  case == 1 | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.expect
index 7155c2273e176..c7eaac135b941 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | == 1:
+  case == 1 | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.modular.expect
index 7155c2273e176..c7eaac135b941 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | == 1:
+  case == 1 | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.transformed.expect
index 7155c2273e176..c7eaac135b941 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | == 1:
+  case == 1 | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.expect
index 2c08df0d55c8a..d08bf65d46815 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 | 1:
+  case 1 | == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.transformed.expect
index 2c08df0d55c8a..d08bf65d46815 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 | 1:
+  case 1 | == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.expect
index 2c08df0d55c8a..d08bf65d46815 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 | 1:
+  case 1 | == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.modular.expect
index 2c08df0d55c8a..d08bf65d46815 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 | 1:
+  case 1 | == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.transformed.expect
index 2c08df0d55c8a..d08bf65d46815 100644
--- a/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/relational_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case == 2 | 1:
+  case 1 | == 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.expect
index d30507f83db0b..9bc60d1f47372 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & int as:
+  case int as & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.transformed.expect
index d30507f83db0b..9bc60d1f47372 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & int as:
+  case int as & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.expect
index d30507f83db0b..9bc60d1f47372 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & int as:
+  case int as & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.modular.expect
index d30507f83db0b..9bc60d1f47372 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & int as:
+  case int as & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.transformed.expect
index d30507f83db0b..9bc60d1f47372 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 & int as:
+  case int as & 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.expect
index 8b680d764bd12..80567889c4781 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as & 1:
+  case 1 & int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.transformed.expect
index 8b680d764bd12..80567889c4781 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as & 1:
+  case 1 & int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.expect
index 8b680d764bd12..80567889c4781 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as & 1:
+  case 1 & int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.modular.expect
index 8b680d764bd12..80567889c4781 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as & 1:
+  case 1 & int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.transformed.expect
index 8b680d764bd12..80567889c4781 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_and_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as & 1:
+  case 1 & int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.expect
index 5f58b50305347..15f2d2910254f 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | int as:
+  case int as | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.transformed.expect
index 5f58b50305347..15f2d2910254f 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | int as:
+  case int as | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.expect
index 5f58b50305347..15f2d2910254f 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | int as:
+  case int as | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.modular.expect
index 5f58b50305347..15f2d2910254f 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | int as:
+  case int as | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.transformed.expect
index 5f58b50305347..15f2d2910254f 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_lhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case 2 | int as:
+  case int as | 2:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.expect
index a93d7f2ba15b7..3960db67b113e 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as | 1:
+  case 1 | int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.transformed.expect
index a93d7f2ba15b7..3960db67b113e 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.strong.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as | 1:
+  case 1 | int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.expect
index a93d7f2ba15b7..3960db67b113e 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as | 1:
+  case 1 | int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.modular.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.modular.expect
index a93d7f2ba15b7..3960db67b113e 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.modular.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.modular.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as | 1:
+  case 1 | int as:
     break label0;
 })";
 }
diff --git a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.transformed.expect b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.transformed.expect
index a93d7f2ba15b7..3960db67b113e 100644
--- a/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.transformed.expect
+++ b/pkg/front_end/testcases/patterns/typed_variable_named_as_inside_logical_or_rhs.dart.weak.transformed.expect
@@ -4,7 +4,7 @@ import self as self;
 static method test(dynamic x) → dynamic {
   #L1:
   invalid-expression "PatternSwitchStatement(switch (x) {
-  case int as | 1:
+  case 1 | int as:
     break label0;
 })";
 }