r271117 - in /trunk/gcc: ChangeLog gcov.c

[marxin@gcc.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  <mliska@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