2017-03-28 Richard Biener <rguenther@suse.de>
commitba3fa3cb259b458788eb4d651ddb3b8361b3cf80
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 28 Mar 2017 10:10:01 +0000 (28 10:10 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Tue, 28 Mar 2017 10:10:01 +0000 (28 10:10 +0000)
treee79b9e94380748bba99a522e52b8dd348721a2c6
parent8fbe82503608a6859c7d9d20779bc52af618b64a
2017-03-28  Richard Biener  <rguenther@suse.de>

PR middle-end/80222
* gimple-fold.c (gimple_fold_indirect_ref): Do not touch
TYPE_REF_CAN_ALIAS_ALL references.
* fold-const.c (fold_indirect_ref_1): Likewise.

* g++.dg/pr80222.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@246527 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/fold-const.c
gcc/gimple-fold.c
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/pr80222.C [new file with mode: 0644]