gcc/testsuite/gcc.target/i386/pr79804.c

   1 /* PR target/79804 */
   2 /* { dg-do compile } */
   3 /* { dg-options "" } */
   4
   5 void foo (void)
   6 {
   7   register int r20 asm ("20");
   8
   9   asm volatile ("# %0" : "=r"(r20));  /* { dg-error "invalid use of register" } */
  10 }  /* { dg-error "cannot be used in asm here" } */