ptr_t GC_approx_sp()
{
+#if defined(__GNUC__)
+ return __builtin_frame_address(0);
+#else
VOLATILE word dummy;
dummy = 42; /* Force stack to grow if necessary. Otherwise the */
/* doing something wrong. */
# ifdef _MSC_VER
# pragma warning(disable:4172)
-# endif
-# if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 408)
-# pragma GCC diagnostic push
-# pragma GCC diagnostic ignored "-Wreturn-local-addr"
# endif
return((ptr_t)(&dummy));
-# if defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 408)
-# pragma GCC diagnostic pop
-# endif
# ifdef _MSC_VER
# pragma warning(default:4172)
# endif
+#endif // __GNUC__
}
/*