Objective-C IRGen. Use llvm::WeakVH
for caching couple of global symbols used
for generation of CF/NS string meta-data
so they are not released prematuely in certain
corner cases. // rdar:// 13598026.
Reviewed by John M.
llvm-svn: 179599
diff --git a/clang/lib/CodeGen/CodeGenModule.h b/clang/lib/CodeGen/CodeGenModule.h
index 1eb0ebb..ab499ae 100644
--- a/clang/lib/CodeGen/CodeGenModule.h
+++ b/clang/lib/CodeGen/CodeGenModule.h
@@ -346,11 +346,11 @@
/// CFConstantStringClassRef - Cached reference to the class for constant
/// strings. This value has type int * but is actually an Obj-C class pointer.
- llvm::Constant *CFConstantStringClassRef;
+ llvm::WeakVH CFConstantStringClassRef;
/// ConstantStringClassRef - Cached reference to the class for constant
/// strings. This value has type int * but is actually an Obj-C class pointer.
- llvm::Constant *ConstantStringClassRef;
+ llvm::WeakVH ConstantStringClassRef;
/// \brief The LLVM type corresponding to NSConstantString.
llvm::StructType *NSConstantStringType;