Teach clang to add metadata tags to calls and invokes in ObjC with

-fno-objc-arc-exceptions. This will allow the optimizer to perform
optimizations which are only safe under that flag.

This is a part of rdar://10803830.

llvm-svn: 150644

clang/lib/CodeGen/CodeGenModule.cpp

@@ -69,7 +69,8 @@ CodeGenModule::CodeGenModule(ASTContext &C, const CodeGenOptions &CGO,
     Types(C, M, TD, getTargetCodeGenInfo().getABIInfo(), ABI, CGO),
     TBAA(0),
     VTables(*this), ObjCRuntime(0), OpenCLRuntime(0), CUDARuntime(0),
-    DebugInfo(0), ARCData(0), RRData(0), CFConstantStringClassRef(0),
+    DebugInfo(0), ARCData(0), NoObjCARCExceptionsMetadata(0),
+    RRData(0), CFConstantStringClassRef(0),
     ConstantStringClassRef(0), NSConstantStringType(0),
     VMContext(M.getContext()),
     NSConcreteGlobalBlock(0), NSConcreteStackBlock(0),