FREEABLE_P        449 src/w32heap.c    if (FREEABLE_P (ptr))
FREEABLE_P        511 src/w32heap.c    if (FREEABLE_P (ptr))
FREEABLE_P        571 src/w32heap.c    if (FREEABLE_P (ptr))
FREEABLE_P        604 src/w32heap.c    if (FREEABLE_P (ptr))