gcc/testsuite/gcc.dg/pr90082.c

   1 /* PR rtl-optimization/90082 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O1 -fnon-call-exceptions -ftrapv" } */
   4
   5 void *buf[5];
   6
   7 void
   8 foo (int a)
   9 {
  10   if (__builtin_setjmp (buf) == 0)
  11     __asm__ ("" : : "n" (a * 2));       /* { dg-error "impossible constraint in 'asm'" } */
  12                                         /* { dg-warning "asm operand 0 probably doesn't match constraints" "" { target *-*-* } .-1 } */
  13 }