Testcase for r127301.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127304 91177308-0d34-0410-b5e6-96231b3b80d8

test/FrontendObjC/2011-03-08-IVarLookup.m

@@ -0,0 +1,32 @@
+// RUN: %llvmgcc -x objective-c -S -fobjc-abi-version=2 %s -o /dev/null
+// XFAIL: *
+// XTARGET: darwin
+
+typedef unsigned int UInt_t;
+
+@interface A
+{
+@protected
+  UInt_t _f1;
+}
+@end
+
+@interface B : A { }
+@end
+
+@interface A ()
+@property (assign) UInt_t f1;
+@end
+
+@interface B ()
+@property (assign) int x;
+@end
+
+@implementation B
+@synthesize x;
+- (id) init
+{
+  _f1 = 0;
+  return self;
+}
+@end