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      1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s
      2 // RUN: %clang_cc1 -triple i686-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-OK
      3 
      4 void (__attribute__((regparm(3), stdcall)) *pf) ();
      5 void (__attribute__((regparm(2), stdcall)) foo)(int a) {
      6 }
      7 // CHECK: @pf = common global void (...)* null
      8 // CHECK: define void @foo(i32 %a)
      9 
     10 // CHECK-OK: @pf = common global void (...)* null
     11 // CHECK-OK: define x86_stdcallcc void @foo(i32 inreg %a)
     12