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      1 // RUN: %clang_cc1 -emit-llvm -o - -triple i386-apple-darwin %s | FileCheck %s
      2 // PR9571
      3 
      4 struct t {
      5   int x;
      6 };
      7 
      8 extern struct t *cfun;
      9 
     10 int f(void) {
     11   if (!(cfun + 0))
     12     // CHECK: icmp ne %struct.t*
     13     return 0;
     14   return cfun->x;
     15 }
     16