Add DidCallStackSave variable to CodeGenFunction.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@64156 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenFunction.cpp b/lib/CodeGen/CodeGenFunction.cpp
index 5e005b4..153fcc8 100644
--- a/lib/CodeGen/CodeGenFunction.cpp
+++ b/lib/CodeGen/CodeGenFunction.cpp
@@ -144,6 +144,7 @@
                                     llvm::Function *Fn,
                                     const FunctionArgList &Args,
                                     SourceLocation StartLoc) {
+  DidCallStackSave = false;
   CurFuncDecl = D;
   FnRetTy = RetTy;
   CurFn = Fn;