On May 29, 2006, at 1:07 PM, sean yang wrote:
For example, I know to allocate a chunk of memory to hold BB
information is done by "ggc_alloc_cleared()". But after a function
analysis/optimization is done, the memory should be freed.
ggc_free (ptr);
can be used, but, if you use it, you have to be absolutely certain
that there doesn't exist a reachable pointer to that memory,
anywhere. You must explicitly zero out any old pointers that pointed
to the data, if those pointers would have been reachable otherwise.
