gcc/testsuite/gcc.target/i386/pr68843-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 double
   5 test ()
   6 {
   7   double x = 1.0;
   8   asm ("fld %1" /* { dg-error "explicitly used registers must be grouped at top of stack" } */
   9        : "=&t" (x)
  10        : "u" (x));
  11   return x;
  12 }