https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90380

--- Comment #30 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon May 13 07:05:23 2019
New Revision: 271117

URL: https://gcc.gnu.org/viewcvs?rev=271117&root=gcc&view=rev
Log:
Do not follow zero edges in cycle detection (PR gcov-profile/90380).

2019-05-13  Martin Liska  <mli...@suse.cz>

        PR gcov-profile/90380
        * gcov.c (handle_cycle): Do not support zero cycle count,
        it should not be possible.
        (path_contains_zero_cycle_arc): New function.
        (circuit): Ignore zero cycle arc counts.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gcov.c

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