Objective-C: patch to issue the conversion
warning when property-dot syntax is used
with -Wsign-conversion. // rdar://13855394


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181914 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaChecking.cpp b/lib/Sema/SemaChecking.cpp
index a0998a4..e8d84f6 100644
--- a/lib/Sema/SemaChecking.cpp
+++ b/lib/Sema/SemaChecking.cpp
@@ -5133,7 +5133,13 @@
     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();