Make use of the parameter in Sema::ActOnObjCTemporaryExitContainerContext.

llvm-svn: 143088
diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 4fa9cbd..5f26c31 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -8288,7 +8288,8 @@
 }
 
 void Sema::ActOnObjCTemporaryExitContainerContext(DeclContext *DC) {
-  OriginalLexicalContext = CurContext;
+  assert(DC == CurContext && "Mismatch of container contexts");
+  OriginalLexicalContext = DC;
   ActOnObjCContainerFinishDefinition();
 }