gcc/testsuite/gcc.dg/pr8788-1.c

   1 /* PR inline-asm/8788 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 typedef struct {
   6     long x[6];
   7 } myjmp_buf;
   8
   9 typedef struct {
  10     myjmp_buf regs;
  11 } my_stack;
  12
  13 void switch_to_stack (my_stack *stack){
  14     asm (  /* { dg-error "impossible constraint" } */
  15 /* { dg-warning "asm operand 1" "asm operand 1" { target *-*-* } .-1 } */
  16         "\n"
  17         : "+r" (stack->regs)
  18     );
  19 }
  20