re PR tree-optimization/80842 (ICE at -O3 on x86_64-linux-gnu in "set_lattice_value")
authorRichard Biener <rguenther@suse.de>
Fri, 26 May 2017 07:19:00 +0000 (07:19 +0000)
committerRichard Biener <rguenth@gcc.gnu.org>
Fri, 26 May 2017 07:19:00 +0000 (07:19 +0000)
commit28e0e05badfbdf7930bbd6f3051b07dd7ec37ae2
treee08d74d56d5b4c52e9ca57d243a837d4a7894b2b
parentf408a6350f28490124ae042207027fa6599af29b
re PR tree-optimization/80842 (ICE at -O3 on x86_64-linux-gnu in "set_lattice_value")

2017-05-26  Richard Biener  <rguenther@suse.de>

PR tree-optimization/80842
* tree-ssa-ccp.c (set_lattice_value): Always meet with the old
value.

* gcc.dg/torture/pr80842.c: New testcase.

From-SVN: r248482
gcc/ChangeLog
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/torture/pr80842.c [new file with mode: 0644]
gcc/tree-ssa-ccp.c