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      1 // RUN: %clang_cc1 -triple armv7-unknown-unknown %s  -o /dev/null
      2 // RUN: %clang_cc1 -triple x86_64-unknown-unknown %s  -o /dev/null
      3 
      4 int foo() {
      5 #ifdef __arm__
      6   register int X __asm__("r1");
      7 #else
      8   register int X __asm__("ebx");
      9 #endif
     10   return X;
     11 }
     12