gcc/testsuite/gcc.target/i386/regparm.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target ia32 } */
   3 /* { dg-options "-W -Wall" } */
   4
   5 /* Verify that GCC correctly detects non-matching regparm attributes.  */
   6 int __attribute__((regparm(3))) f (void);  /* { dg-message "note: previous" } */
   7
   8 int __attribute__((regparm(2))) f (void) { /* { dg-error "conflicting" } */
   9   return 0;
  10 }