[Bug tree-optimization/84339] [8 Regression] Wrong-code with optimizing strlen

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84339

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Feb 13 08:35:53 2018
New Revision: 257618

URL: https://gcc.gnu.org/viewcvs?rev=257618&root=gcc&view=rev
Log:
        PR tree-optimization/84339
        * gimple-fold.c (get_range_strlen): Set *FLEXP to true when handling
        ARRAY_REF where first operand is array_at_struct_end_p COMPONENT_REF.
        Formatting fixes.

        * gcc.c-torture/execute/pr84339.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr84339.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-fold.c
    trunk/gcc/testsuite/ChangeLog