ObjCBridgeMemo is only used on ObjC-supporting platforms

swiftlang · Aug 26, 2020 · 2acaa1a · 2acaa1a
1 parent a2cd863
commit 2acaa1a
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/stdlib/public/runtime/DynamicCast.cpp b/stdlib/public/runtime/DynamicCast.cpp
@@ -616,6 +616,7 @@ bool _swift_dictionaryDownCastConditionalIndirect(OpaqueValue *destination,
                                         const void *sourceKeyHashable,
                                         const void *targetKeyHashable);
 
+#if SWIFT_OBJC_INTEROP
 // Helper to memoize bridging conformance data for a particular
 // Swift struct type.  This is used to speed up the most common
 // ObjC->Swift bridging conversions by eliminating repeeated
@@ -691,6 +692,7 @@ struct ObjCBridgeMemo {
         destBridgeWitness, targetBridgedType);
     }
 };
+#endif
 
 static DynamicCastResult
 tryCastToAnyHashable(