[Bug tree-optimization/91570] [10 Regression] ICE in get_range_strlen_dynamic on a conditional of two strings

Tue, 24 Sep 2019 12:06:12 -0700 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91570

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Tue Sep 24 19:04:54 2019
New Revision: 276105

URL: https://gcc.gnu.org/viewcvs?rev=276105&root=gcc&view=rev
Log:
PR tree-optimization/91570 - ICE in get_range_strlen_dynamic on a conditional
of two strings

gcc/Changelog:
        * tree-ssa-strlen.c (get_range_strlen_dynamic): Handle null and
        non-constant minlen, maxlen and maxbound.

gcc/testsuite/Changelog:
        * gcc.dg/pr91570.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/pr91570.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-strlen.c

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