Warn about more than the first unused variable when -Werror is set.

To do this, thread DiagnosticErrorTrap's hasUnrecoverableErrorOccurred through
to Scope.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178294 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/include/clang/Sema/Scope.h b/include/clang/Sema/Scope.h
index 4957d85e00..d016b9b887 100644
--- a/include/clang/Sema/Scope.h
+++ b/include/clang/Sema/Scope.h
@@ -240,7 +240,11 @@ public:
   void setEntity(void *E) { Entity = E; }
 
   bool hasErrorOccurred() const { return ErrorTrap.hasErrorOccurred(); }
-                           
+
+  bool hasUnrecoverableErrorOccurred() const {
+    return ErrorTrap.hasUnrecoverableErrorOccurred();
+  }
+
   /// isClassScope - Return true if this scope is a class/struct/union scope.
   bool isClassScope() const {
     return (getFlags() & Scope::ClassScope);