From 99311ba1a8d4356433518b773986276ee40799a1 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Mon, 16 Aug 2010 21:51:12 +0000
Subject: Diagnose assiging to an interface object in non-fragile abi mode as
 sizes are not statically known. Fixes radar 8315734.

llvm-svn: 111191
---
 clang/lib/Sema/SemaExpr.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'clang/lib/Sema/SemaExpr.cpp')

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 59d0328d6e1..42d1599e2e9 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -6538,6 +6538,11 @@ Action::OwningExprResult Sema::CreateBuiltinBinOp(SourceLocation OpLoc,
   }
   if (ResultTy.isNull())
     return ExprError();
+  if (ResultTy->isObjCObjectType() && LangOpts.ObjCNonFragileABI) {
+    if (Opc >= BinaryOperator::Assign && Opc <= BinaryOperator::OrAssign) 
+          Diag(OpLoc, diag::err_assignment_requires_nonfragile_object)
+                << ResultTy;
+  }
   if (CompResultTy.isNull())
     return Owned(new (Context) BinaryOperator(lhs, rhs, Opc, ResultTy, OpLoc));
   else
-- 
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