[Bug tree-optimization/87124] [9 Regression] ICE have integer_cst in SSA_VAL, at tree-ssa-sccvn.c:462 while building 541.leela_r from SPEC2017

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87124

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Aug 28 13:36:49 2018
New Revision: 263918

URL: https://gcc.gnu.org/viewcvs?rev=263918&root=gcc&view=rev
Log:
2018-08-28  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/87124
        * tree-ssa-sccvn.c (vn_lookup_simplify_result): Guard against
        constants before looking up avail.

        * g++.dg/torture/pr87124.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr87124.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c