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| author | Richard Biener <rguenther@suse.de> | 2018-08-02 13:19:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2018-08-02 13:19:50 +0000 |
| commit | 86c8eea6689cb62d8aeff6e4649fae158015981e (patch) | |
| tree | 83d66b30f4b86aa5c0f7281446896f8a4c8e532e /gcc/backend.h | |
| parent | 593d93cb0aa00837906d5d1bebb018a42721a114 (diff) | |
| download | gcc-86c8eea6689cb62d8aeff6e4649fae158015981e.zip gcc-86c8eea6689cb62d8aeff6e4649fae158015981e.tar.gz gcc-86c8eea6689cb62d8aeff6e4649fae158015981e.tar.bz2 | |
re PR tree-optimization/86816 (ICE: SIGSEGV in tree-ssa-pre / tail_merge_optimize)
2018-08-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/86816
* tree-ssa-tail-merge.c (tail_merge_valueize): New function
which checks for value availability before querying it.
(gvn_uses_equal): Use it.
(same_succ_hash): Likewise.
(gimple_equal_p): Likewise.
* g++.dg/torture/pr86816.C: New testcase.
From-SVN: r263257
Diffstat (limited to 'gcc/backend.h')
0 files changed, 0 insertions, 0 deletions