/* PR inline-asm/8788 */ /* { dg-do compile } */ /* { dg-options "-O2" } */ typedef struct { long x[6]; } myjmp_buf; typedef struct { myjmp_buf regs; } my_stack; void switch_to_stack (my_stack *stack){ asm ( /* { dg-error "impossible constraint" } */ /* { dg-warning "asm operand 1" "asm operand 1" { target *-*-* } 14 } */ "\n" : "+r" (stack->regs) ); }