gcc/testsuite/gcc.dg/ipa/ctor-empty-1.c

/* { dg-do compile } */
/* { dg-options "-O3 -c -fdump-ipa-remove_symbols"  } */
static __attribute__((constructor))
void empty_constructor()
{
}
/* { dg-final { scan-ipa-dump "Reclaiming functions: empty_constructor"  "remove_symbols"  } } */