PR4103: Silence bogus unused expression warning.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70384 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index acf119a..d89290b 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -500,7 +500,8 @@
     return true;
 
   case CallExprClass:
-  case CXXOperatorCallExprClass: {
+  case CXXOperatorCallExprClass:
+  case CXXMemberCallExprClass: {
     // If this is a direct call, get the callee.
     const CallExpr *CE = cast<CallExpr>(this);
     const Expr *CalleeExpr = CE->getCallee()->IgnoreParenCasts();