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/* { dg-lto-do assemble } */ typedef __SIZE_TYPE__ size_t; static int stack_dir; static void find_stack_direction () { static char *addr = ((void *)0); auto char dummy; if (addr == ((void *)0)) { addr = &(dummy); find_stack_direction (); } } void * C_alloca (size_t size) { if (stack_dir == 0) find_stack_direction (); }