[Bug tree-optimization/87686] [9 regression] internal error in expand, at tree-switch-conversion.c:916

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87686

--- Comment #3 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Oct 22 13:09:33 2018
New Revision: 265388

URL: https://gcc.gnu.org/viewcvs?rev=265388&root=gcc&view=rev
Log:
Revert r263947.

2018-10-22  Martin Liska  <mli...@suse.cz>

  PR tree-optimization/87686
        Revert
        2018-08-29  Martin Liska  <mli...@suse.cz>

        * tree-switch-conversion.c (switch_conversion::expand):
        Strenghten assumption about gswitch statements.
2018-10-22  Martin Liska  <mli...@suse.cz>

  PR tree-optimization/87686
        * g++.dg/tree-ssa/pr87686.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr87686.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-switch-conversion.c