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-rw-r--r--lib/Sema/SemaExprObjC.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Sema/SemaExprObjC.cpp b/lib/Sema/SemaExprObjC.cpp
index 5d5e8a528b..baa34f9ce8 100644
--- a/lib/Sema/SemaExprObjC.cpp
+++ b/lib/Sema/SemaExprObjC.cpp
@@ -353,6 +353,12 @@ HandleExprPropertyRefExpr(const ObjCObjectPointerType *OPT,
ObjCInterfaceDecl *IFace = IFaceT->getDecl();
IdentifierInfo *Member = MemberName.getAsIdentifierInfo();
+ if (IFace->isForwardDecl()) {
+ Diag(MemberLoc, diag::err_property_not_found_forward_class)
+ << MemberName << QualType(OPT, 0);
+ Diag(IFace->getLocation(), diag::note_forward_class);
+ return ExprError();
+ }
// Search for a declared property first.
if (ObjCPropertyDecl *PD = IFace->FindPropertyDeclaration(Member)) {
// Check whether we can reference this property.