[Bug tree-optimization/92704] [8/9/10 Regression] ICE: Segmentation fault (in process_bb)

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92704

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Fri Nov 29 08:05:03 2019
New Revision: 278828

URL: https://gcc.gnu.org/viewcvs?rev=278828&root=gcc&view=rev
Log:
2019-11-29  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/92704
        * tree-if-conv.c (combine_blocks): Deal with virtual PHIs
        in loops performing only loads.

        * gcc.dg/torture/pr92704.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr92704.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-if-conv.c