[arcmt] NSInvocation's [get/set]ReturnValue and [get/set]Argument are only safe

with __unsafe_unretained parameters. Emit error for strong/weak ones. rdar://9206226

llvm-svn: 135381

1 files changed, 3 insertions, 0 deletions

diff --git a/clang/lib/ARCMigrate/Internals.h b/clang/lib/ARCMigrate/Internals.h
index 4f9b138a06c..5fdfca9ef8e 100644
--- a/clang/lib/ARCMigrate/Internals.h
+++ b/clang/lib/ARCMigrate/Internals.h
@@ -37,6 +37,7 @@ public:
 class TransformActions {
   Diagnostic &Diags;
   CapturedDiagList &CapturedDiags;
+  bool ReportedErrors;
   void *Impl; // TransformActionsImpl.
 
 public:
@@ -88,6 +89,8 @@ public:
   void reportNote(llvm::StringRef note, SourceLocation loc,
                   SourceRange range = SourceRange());
 
+  bool hasReportedErrors() const { return ReportedErrors; }
+
   class RewriteReceiver {
   public:
     virtual ~RewriteReceiver();