[Bug tree-optimization/86526] [9 Regression] ICE in builtin_memcpy_read_str, at builtins.c:3017

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86526

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Mon Jul 16 21:25:22 2018
New Revision: 262750

URL: https://gcc.gnu.org/viewcvs?rev=262750&root=gcc&view=rev
Log:
        PR tree-optimization/86526
        * builtins.c (expand_builtin_memcmp): Formatting fixes.
        (inline_expand_builtin_string_cmp): Likewise.
        (inline_string_cmp): Likewise.  Use c_readstr instead of
        builtin_memcpy_read_str.  Add unit_mode temporary.

        * gcc.c-torture/compile/pr86526.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr86526.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog