[Bug tree-optimization/85859] [6/7/8 Regression] wrong code with -fno-isolate-erroneous-paths-dereference

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85859

--- Comment #8 from Tom de Vries <vries at gcc dot gnu.org> ---
Author: vries
Date: Mon Sep  3 09:43:46 2018
New Revision: 264053

URL: https://gcc.gnu.org/viewcvs?rev=264053&root=gcc&view=rev
Log:
backport "[tail-merge] Fix side-effect test in stmt_local_def"

2018-09-03  Tom de Vries  <tdevries@suse.de>

        backport from trunk:
        2018-06-21  Tom de Vries  <tdevries@suse.de>

        PR tree-optimization/85859
        * tree-ssa-tail-merge.c (stmt_local_def): Copy gimple_is_call
        test with comment from bb_no_side_effects_p.

        * gcc.dg/pr85859.c: New test.

Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/pr85859.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-tail-merge.c