https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84746
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P1 |P2
Known to work| |8.0
Target Milestone|8.0 |7.4
Summary|[8 Regression] ICE on valid |[7 Regression] ICE on valid
|code at -O2 and -O3: |code at -O2 and -O3:
|Segmentation fault |Segmentation fault
Priority|P2 |P1
Known to work|8.0 |
Target Milestone|7.4 |8.0
Summary|[7 Regression] ICE on valid |[8 Regression] ICE on valid
|code at -O2 and -O3: |code at -O2 and -O3:
|Segmentation fault |Segmentation fault
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk, I'm eventually going to backport a variant of this.
--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Mar 8 09:23:44 2018
New Revision: 258361
URL: https://gcc.gnu.org/viewcvs?rev=258361&root=gcc&view=rev
Log:
2018-03-08 Richard Biener <[email protected]>
PR tree-optimization/84746
* tree-ssa-pre.c (find_leader_in_sets): Deal with SET1 being NULL.
(phi_translate): Pass in destination ANTIC_OUT set.
(phi_translate_1): Likewise. For a simplified result lookup
a leader in ANTIC_OUT and AVAIL_OUT, not the ANTIC_IN sets.
(phi_translate_set): Adjust.
(do_pre_regular_insertion): Likewise.
(do_pre_partial_partial_insertion): Likewise.
* gcc.dg/torture/pr84746.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr84746.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-pre.c
