r277605 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Wed Oct 30 09:52:01 2019
New Revision: 277605

URL: https://gcc.gnu.org/viewcvs?rev=277605&root=gcc&view=rev
Log:
	PR tree-optimization/92262
	* tree-ssa-loop-ivopts.c (get_debug_computation_at): Don't unshare
	ubase or cbase here.
	(remove_unused_ivs): Unshare comp before using it.

	* g++.dg/opt/pr92262.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/opt/pr92262.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-loop-ivopts.c