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Re: Reorgnanization of profile count maintenance code, part 1


On Thu, Jun 1, 2017 at 4:35 AM, Jan Hubicka <hubicka@ucw.cz> wrote:
> Index: profile.c
> ===================================================================
> --- profile.c   (revision 248684)
> +++ profile.c   (working copy)
> @@ -67,6 +67,10 @@ along with GCC; see the file COPYING3.
>
>  #include "profile.h"
>
> +/* Map from BBs/edges to gcov counters.  */
> +vec<gcov_type> bb_gcov_counts;
> +hash_map<edge,gcov_type> edge_gcov_counts;

This completely breaks the compiler with
--enable-gather-detailed-mem-stats; edge_gcov_counts gets initialized
before hash_table_usage in hash-table.c, and so when the constructor
for edge_gcov_counts calls hash_table_usage.register_descriptor, m_map
is null and we get a SEGV.

Jason


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