Bug 1512271 - Allow link.exe to keep linking the stylo tests after ru…

…st-lang/rust#54451. r=simonsapin

UltraBlame original commit: 37f24bab080b559284ec7d9108f112f6a97db45c

servo/ports/geckolib/tests/build.rs

@@ -803,6 +803,18 @@ unwrap
 replace
 (
 "
+#
+[
+no_mangle
+]
+"
+"
+"
+)
+.
+replace
+(
+"
 pub
 extern
 \

servo/ports/geckolib/tests/servo_function_signatures.rs

@@ -171,7 +171,6 @@ allow
 (
 non_snake_case
 unused_unsafe
-private_no_mangle_fns
 )
 ]
 mod
@@ -193,13 +192,13 @@ safe
 functions
 swapped
 for
+/
+/
 unsafe
 ones
 .
 This
 is
-/
-/
 a
 hack
 to
@@ -210,6 +209,8 @@ fact
 that
 fn
 types
+/
+/
 cannot
 coerce
 to
@@ -218,13 +219,13 @@ fn
 types
 .
 The
-/
-/
 imports
 are
 populated
 with
 the
+/
+/
 same
 things
 so
@@ -234,6 +235,39 @@ assertion
 should
 be
 equivalent
+.
+/
+/
+/
+/
+We
+also
+rely
+on
+#
+[
+no_mangle
+]
+being
+stripped
+out
+so
+that
+it
+can
+link
+on
+/
+/
+Windows
+without
+linking
+to
+Gecko
+see
+bug
+1512271
+.
 use
 geckoservo
 :