[Bug tree-optimization/87211] [9 Regression] gcc ICE at O2: in set_ssa_val_to, at tree-ssa-sccvn.c:3628

2018-09-04 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87211

Richard Biener  changed:

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

--- Comment #3 from Richard Biener  ---
Fixed.

[Bug tree-optimization/87211] [9 Regression] gcc ICE at O2: in set_ssa_val_to, at tree-ssa-sccvn.c:3628

2018-09-04 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87211

--- Comment #2 from Richard Biener  ---
Author: rguenth
Date: Tue Sep  4 12:04:42 2018
New Revision: 264079

URL: https://gcc.gnu.org/viewcvs?rev=264079=gcc=rev
Log:
2018-09-04  Richard Biener  

PR tree-optimization/87211
* tree-ssa-sccvn.c (visit_phi): When value-numbering to a
backedge value we're supposed to treat as VARYING also number
the PHI to VARYING in case it got a different value-number already.

* gcc.dg/torture/pr87211.c: New testcase.

Added:
trunk/gcc/testsuite/gcc.dg/torture/pr87211.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-sccvn.c

[Bug tree-optimization/87211] [9 Regression] gcc ICE at O2: in set_ssa_val_to, at tree-ssa-sccvn.c:3628

2018-09-04 Thread rguenth at gcc dot gnu.org 
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87211

Richard Biener  changed:

   What|Removed |Added

 Status|UNCONFIRMED |ASSIGNED
   Last reconfirmed||2018-09-04
Version|unknown |9.0
   Assignee|unassigned at gcc dot gnu.org  |rguenth at gcc dot 
gnu.org
   Target Milestone|--- |9.0
Summary|gcc ICE at O2: in   |[9 Regression] gcc ICE at
   |set_ssa_val_to, at  |O2: in set_ssa_val_to, at
   |tree-ssa-sccvn.c:3628   |tree-ssa-sccvn.c:3628
 Ever confirmed|0   |1

--- Comment #1 from Richard Biener  ---
Mine.