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// RUN: %clang_cc1 -fsyntax-only -fblocks -verify %s // rdar://9181463 typedef struct objc_class *Class; typedef struct objc_object { Class isa; } *id; @interface NSObject + (id) alloc; @end void foo(Class self) { [self alloc]; (^() { [self alloc]; })(); } void bar(Class self) { Class y = self; [y alloc]; }