1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -mno-serialize" } */
       3  
       4  #include <x86intrin.h>
       5  
       6  __attribute__ ((target("general-regs-only")))
       7  void
       8  foo1 (void)
       9  {
      10    _serialize ();
      11  }
      12  
      13  /* { dg-error "target specific option mismatch" "" { target *-*-* } 0 } */