Use an i32 argument instead of size

Author: Azoy

include/swift/Runtime/Metadata.h

@@ -1044,7 +1044,7 @@ SWIFT_RUNTIME_EXPORT
 void swift_initRawStructMetadata(StructMetadata *self,
                                  StructLayoutFlags flags,
                                  const TypeLayout *likeType,
-                                 size_t count);
+                                 int32_t count);
 
 #pragma clang diagnostic pop
 

include/swift/Runtime/RuntimeFunctions.def

@@ -2489,12 +2489,12 @@ FUNCTION(GenericInstantiateLayoutString,
 // void swift_initRawStructMetadata(Metadata *structType,
 //                                  StructLayoutFlags flags,
 //                                  const TypeLayout *likeType,
-//                                  size_t count);
+//                                  int32_t count);
 FUNCTION(InitRawStructMetadata,
          swift_initRawStructMetadata,
          C_CC, AlwaysAvailable,
          RETURNS(VoidTy),
-         ARGS(TypeMetadataPtrTy, SizeTy, Int8PtrPtrTy->getPointerTo(0), SizeTy),
+         ARGS(TypeMetadataPtrTy, SizeTy, Int8PtrPtrTy->getPointerTo(0), Int32Ty),
          ATTRS(NoUnwind),
          EFFECT(MetaData))
 

stdlib/public/runtime/Metadata.cpp

@@ -2910,7 +2910,7 @@ SWIFT_RUNTIME_EXPORT
 void swift::swift_initRawStructMetadata(StructMetadata *structType,
                                         StructLayoutFlags layoutFlags,
                                         const TypeLayout *likeTypeLayout,
-                                        size_t count) {
+                                        int32_t count) {
   auto vwtable = getMutableVWTableForInit(structType, layoutFlags);
 
   // The existing vwt function entries are all fine to preserve, the only thing