objective-c: add an assertion for property

expression enterring IsConstProperty function.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154406 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Sema/SemaExpr.cpp b/lib/Sema/SemaExpr.cpp
index 1d8d24882e5ceaf517ce6eaebbcbc3cfa0e0f4f3..bf9b0ae98863d259f0a9a5618d8dd72db142b4f9 100644 (file)
--- a/lib/Sema/SemaExpr.cpp
+++ b/lib/Sema/SemaExpr.cpp
@@ -7146,6 +7146,11 @@ static bool IsReadonlyProperty(Expr *E, Sema &S) {
 static bool IsConstProperty(Expr *E, Sema &S) {
   const ObjCPropertyRefExpr *PropExpr = dyn_cast<ObjCPropertyRefExpr>(E);
   if (!PropExpr) return false;
+  
+  assert(!S.Context.hasSameType(PropExpr->getType(), 
+                                S.Context.PseudoObjectTy)
+         && "property expression cannot be a pseudo object");
+  
   if (PropExpr->isImplicitProperty()) return false;
     
   ObjCPropertyDecl *PDecl = PropExpr->getExplicitProperty();