2018-05-22 Richard Biener <rguenther@suse.de>
commitf927bad415464ae52601a90a16efc40e5518f8f7
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 22 May 2018 11:25:14 +0000 (22 11:25 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 22 May 2018 11:25:14 +0000 (22 11:25 +0000)
treeb60673aa2d1387e9620b928566b7877a2b576894
parent41dd4933cb1566a602540f769cce08f47b934270
2018-05-22  Richard Biener  <rguenther@suse.de>

PR tree-optimization/85834
* tree-ssa-sccvn.c (vn_reference_lookup_3): Properly handle
non-constant and non-zero memset arguments.

* g++.dg/torture/pr85834.C: New testcase.
* gcc.dg/tree-ssa/ssa-fre-64.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@260503 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/torture/pr85834.C [new file with mode: 0644]
gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-64.c [new file with mode: 0644]
gcc/tree-ssa-sccvn.c