# -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined
# as aliases for X, GC_realloc, and GC_free, respectively.
# Calloc is redefined in terms of the new malloc. X should
# -DREDIRECT_MALLOC=X causes malloc, realloc, and free to be defined
# as aliases for X, GC_realloc, and GC_free, respectively.
# Calloc is redefined in terms of the new malloc. X should