[Bug tree-optimization/86400] [8/9 regression] set<string>::set<char (*)[2]) constructor does not work with array argument

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86400

--- Comment #11 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Thu Jul  5 16:42:50 2018
New Revision: 262446

URL: https://gcc.gnu.org/viewcvs?rev=262446&root=gcc&view=rev
Log:
Backport from trunk.

PR tree-optimization/86400 - set<string>::set<char (*)[2]) constructor does not
work with array argument.

gcc/ChangeLog:
        * gcc.dg/strlenopt-47.c: New test.
        * gcc.dg/strlenopt-48.c: New test.

gcc/testsuite/ChangeLog:
        * gcc.dg/strlenopt-47.c: New test.
        * gcc.dg/strlenopt-48.c: New test.


Added:
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/strlenopt-47.c
    branches/gcc-8-branch/gcc/testsuite/gcc.dg/strlenopt-48.c
Modified:
    branches/gcc-8-branch/gcc/ChangeLog
    branches/gcc-8-branch/gcc/testsuite/ChangeLog
    branches/gcc-8-branch/gcc/tree-ssa-strlen.c