objective-c modern translator: Correctly translate

nonfragile ivar access code when ivar type is a 
locally defined struct/union type. // rdar://11323187


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@155740 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 30 insertions, 2 deletions

diff --git a/test/Rewriter/rewrite-modern-struct-ivar.mm b/test/Rewriter/rewrite-modern-struct-ivar.mm
index 09c02dffab..4a137aeff6 100644
--- a/test/Rewriter/rewrite-modern-struct-ivar.mm
+++ b/test/Rewriter/rewrite-modern-struct-ivar.mm
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -E %s -o %t.mm
 // RUN: %clang_cc1 -fblocks -rewrite-objc -fms-extensions %t.mm -o %t-rw.cpp 
 // RUN: FileCheck --input-file=%t-rw.cpp %s
-// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
+// RUN: %clang_cc1 -fsyntax-only -Wno-address-of-temporary -Wno-c++11-narrowing -std=c++11 -D"Class=void*" -D"id=void*" -D"SEL=void*" -D"__declspec(X)=" %t-rw.cpp
 
 struct S {
     int i1;
@@ -20,5 +20,33 @@ struct S {
 @implementation I
 - (struct S) dMeth{ return struct_ivar; }
 @end
-  
+
 // CHECK: return (*(struct S *)((char *)self + OBJC_IVAR_$_I$struct_ivar));
+
+// rdar://11323187
+@interface Foo{
+    @protected 
+    struct {
+        int x:1;
+        int y:1;
+    } bar;
+
+    struct _S {
+        int x:1;
+        int y:1;
+    } s;
+
+}
+@end
+@implementation Foo
+- (void)x {
+  bar.x = 0;
+  bar.y = 1;
+
+  s.x = 0;
+  s.y = 1;
+}
+@end
+
+// CHECK: (*(decltype(((Foo_IMPL *)0U)->bar) *)((char *)self + OBJC_IVAR_$_Foo$bar)).x = 0;
+// CHECK:  (*(decltype(((Foo_IMPL *)0U)->s) *)((char *)self + OBJC_IVAR_$_Foo$s)).x = 0;