[Bug tree-optimization/89135] [7/8/9 Regression] internal compiler error: in gimple_split_edge, at tree-cfg.c:2747

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89135

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Jan 31 11:51:59 2019
New Revision: 268417

URL: https://gcc.gnu.org/viewcvs?rev=268417&root=gcc&view=rev
Log:
2019-01-31  Richard Biener  <rguent...@suse.de>

        PR tree-optimization/89135
        * tree-ssa-phiprop.c (pass_phiprop::execute): Skip blocks
        with abnormal preds.

        * gcc.dg/torture/pr89135.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr89135.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-phiprop.c