[Bug gcov-profile/91601] [9/10 Regression] gcov: ICE in handle_cycle, at gcov.c:699 happen which get code coverage with lcov.

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91601

--- Comment #9 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Sep  2 07:06:54 2019
New Revision: 275291

URL: https://gcc.gnu.org/viewcvs?rev=275291&root=gcc&view=rev
Log:
Consider also negative edges in cycle detection.

2019-09-02  Martin Liska  <mli...@suse.cz>

        PR gcov-profile/91601
        * gcov.c (path_contains_zero_cycle_arc): Rename to ...
        (path_contains_zero_or_negative_cycle_arc): ... this and handle
        also negative edges.
        (circuit): Handle also negative edges as they can happen
        in some situations.

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