[Bug tree-optimization/83552] [7/8 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 #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Dec 27 09:30:14 2017
New Revision: 256009

URL: https://gcc.gnu.org/viewcvs?rev=256009&root=gcc&view=rev
Log:
Assign result of get_string_lenth to a SSA_NAME (PR tree-optimization/83552).

2017-12-27  Martin Liska  <mli...@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.
2017-12-27  Martin Liska  <mli...@suse.cz>

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

Added:
    trunk/gcc/testsuite/gcc.dg/pr83552.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c