UNCOLLECTABLE_DEBUG_BYTES  725 gc/dbg_mlc.c       GC_PTR result = GC_malloc_uncollectable(lb + UNCOLLECTABLE_DEBUG_BYTES);
UNCOLLECTABLE_DEBUG_BYTES  752 gc/dbg_mlc.c   	GC_malloc_atomic_uncollectable(lb + UNCOLLECTABLE_DEBUG_BYTES);
UNCOLLECTABLE_DEBUG_BYTES  124 gc/include/private/dbg_mlc.h #   define DEBUG_BYTES (UNCOLLECTABLE_DEBUG_BYTES - EXTRA_BYTES)