[Bug tree-optimization/83552] [7 Regression] ICE in error: invalid argument to gimple call in during GIMPLE pass: strlen

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83552

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Jan 17 11:43:56 2018
New Revision: 256786

URL: https://gcc.gnu.org/viewcvs?rev=256786&root=gcc&view=rev
Log:
Subject: Backport r256009

2018-01-17  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-12-27  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/83552
        * tree-ssa-strlen.c (fold_strstr_to_strncmp): Assign result
        of get_string_lenth to a SSA_NAME if not a GIMPLE value.
2018-01-17  Martin Liska  <mliska@suse.cz>

        Backport from mainline
        2017-12-27  Martin Liska  <mliska@suse.cz>

        PR tree-optimization/83552
        * gcc.dg/pr83552.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr83552.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/tree-ssa-strlen.c