1  /* { dg-do compile } */
       2  /* { dg-options "-O1" } */
       3  struct S { int c, *b, *e; };
       4  
       5  void
       6  foo ()
       7  {
       8    struct S a;
       9    asm volatile ("" : "=rm" (a) : "0" (1)); /* { dg-error "inconsistent operand constraints in an 'asm'" } */
      10  }