[Bug tree-optimization/92512] [10 Regression] ICE in gimple_op, at gimple.h:2436

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92512

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 15 13:52:09 2019
New Revision: 278293

URL: https://gcc.gnu.org/viewcvs?rev=278293&root=gcc&view=rev
Log:
2019-11-15  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/92512
        * tree-vect-loop.c (check_reduction_path): Fix operand index
        computability check.  Add check for second use in COND_EXPRs.

        * gcc.dg/torture/pr92512.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr92512.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vect-loop.c