gcc-4.3.1/gcc/testsuite/gcc.dg/pr34989-1.c

/* { dg-do compile } */
/* { dg-options "--combine -O2" } */
/* { dg-additional-sources "pr34989-2.c" } */

extern struct globals *const ptr_to_globals;
struct globals { };
int syslogd_main(int argc, char **argv)
{
 (*(struct globals**)&ptr_to_globals) = 0;
}