Make sure to reset the DidCallStackSave variable before emitting a compound statement. Fixes PR3649.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65291 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 1d28708..307dccf 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -134,6 +134,7 @@
   // Keep track of the current cleanup stack depth.
   size_t CleanupStackDepth = CleanupEntries.size();
   bool OldDidCallStackSave = DidCallStackSave;
+  DidCallStackSave = false;
   
   for (CompoundStmt::const_body_iterator I = S.body_begin(),
        E = S.body_end()-GetLast; I != E; ++I)