gcc/testsuite/gcc.target/i386/ret-thunk-19.c

/* { dg-do compile { target { lp64 } } } */
/* { dg-options "-O2 -mfunction-return=keep -mindirect-branch=keep -mcmodel=large" } */

__attribute__ ((function_return("thunk")))
void
bar (void)
{ /* { dg-error "'-mfunction-return=thunk' and '-mcmodel=large' are not compatible" } */
}