commit 30aa4aa4ae96f8f701643fc734425208a16e92e2
author Fariborz Jahanian <fjahanian@apple.com> Thu May 05 22:00:38 2011 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Thu May 05 22:00:38 2011 +0000
tree 7c6f8cbbfd9c26edc1c8223727e38083e6a44348
parent d6141e1db2c3e3a820978ff7dcd2626dd2b56940

type of last arg of objc_assign_ivar is  ptrdiff_t. 
// rdar://9362887

llvm-svn: 130956

clang/lib/CodeGen/CGObjCMac.cpp

diff --git a/clang/lib/CodeGen/CGObjCMac.cpp b/clang/lib/CodeGen/CGObjCMac.cpp
index 0675f0d..6473bb2 100644
--- a/clang/lib/CodeGen/CGObjCMac.cpp
+++ b/clang/lib/CodeGen/CGObjCMac.cpp
@@ -324,7 +324,11 @@
     // id objc_assign_ivar(id, id *, ptrdiff_t)
     std::vector<const llvm::Type*> Args(1, ObjectPtrTy);
     Args.push_back(ObjectPtrTy->getPointerTo());
-    Args.push_back(LongTy);
+    const llvm::Type *PtrDiffTy =
+      CGM.getTypes().ConvertType(
+        CGM.getContext().getPointerDiffType()->getCanonicalTypeUnqualified());
+
+    Args.push_back(PtrDiffTy);
     llvm::FunctionType *FTy =
       llvm::FunctionType::get(ObjectPtrTy, Args, false);
     return CGM.CreateRuntimeFunction(FTy, "objc_assign_ivar");