[Bug tree-optimization/83685] [8 Regression] ICE: SSA corruption

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83685

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Jan  8 13:22:56 2018
New Revision: 256339

URL: https://gcc.gnu.org/viewcvs?rev=256339&root=gcc&view=rev
Log:
2018-01-08  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/83685
        * tree-ssa-pre.c (create_expression_by_pieces): Do not insert
        references to abnormals.

        * gcc.dg/torture/pr83685.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr83685.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c