https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
--- Comment #6 from Jakub Jelinek ---
Author: jakub
Date: Fri Nov 25 19:24:22 2016
New Revision: 242883
URL: https://gcc.gnu.org/viewcvs?rev=242883&root=gcc&view=rev
Log:
PR rtl-optimization/78438
PR rtl-optimization/78477
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
--- Comment #5 from Segher Boessenkool ---
Author: segher
Date: Wed Nov 23 14:33:13 2016
New Revision: 242757
URL: https://gcc.gnu.org/viewcvs?rev=242757&root=gcc&view=rev
Log:
combine: Convert subreg-of-lshiftrt to zero_extract properly (PR7839
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
Richard Biener changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
--- Comment #3 from Marc Glisse ---
Stage2 issue, so most likely gcc was miscompiled during stage1. If you have a
chance to run the testsuite on a non-bootstrap compiler, that often gives
testcases that are much easier to debug...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
--- Comment #2 from Matthias Klose ---
sorry, no, just saw yesterday's changes to match.pd as a hint.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78477
--- Comment #1 from Marc Glisse ---
Did you bisect this to a specific commit? (I assumed so from the cc:, but the
revision number does not match one of my patches)