Objective-C: patch to issue the conversion

warning when property-dot syntax is used
with -Wsign-conversion. // rdar://13855394

llvm-svn: 181914

1 files changed, 7 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaChecking.cpp b/clang/lib/Sema/SemaChecking.cpp
index a0998a46c66..e8d84f604eb 100644
--- a/clang/lib/Sema/SemaChecking.cpp
+++ b/clang/lib/Sema/SemaChecking.cpp
@@ -5133,7 +5133,13 @@ void AnalyzeImplicitConversions(Sema &S, Expr *OrigE, SourceLocation CC) {
     CheckImplicitConversion(S, E, T, CC);
 
   // Now continue drilling into this expression.
-
+  
+  if (PseudoObjectExpr * POE = dyn_cast<PseudoObjectExpr>(E)) {
+    Expr *Result = POE->getResultExpr();
+    if (const OpaqueValueExpr *OVE = dyn_cast_or_null<OpaqueValueExpr>(Result))
+      return AnalyzeImplicitConversions(S, OVE->getSourceExpr(), CC);
+  }
+  
   // Skip past explicit casts.
   if (isa<ExplicitCastExpr>(E)) {
     E = cast<ExplicitCastExpr>(E)->getSubExpr()->IgnoreParenImpCasts();