gcc/testsuite/gcc.target/i386/interrupt-7.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -mgeneral-regs-only -mno-cld" } */
   3
   4 extern int error;
   5
   6 extern void fn (void *) __attribute__((interrupt));
   7
   8 void
   9 foo (void)
  10 {
  11   fn (&error); /* { dg-error "interrupt service routine can't be called directly" } */
  12 }