[Bug c++/91334] [10 Regression] ICE in propagate_necessity at gcc/tree-ssa-dce.c:813 since r273791

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91334

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Mon Aug  5 12:53:01 2019
New Revision: 274115

URL: https://gcc.gnu.org/viewcvs?rev=274115&root=gcc&view=rev
Log:
Handle new operators with no arguments in DCE.

2019-08-05  Martin Liska  <mli...@suse.cz>

        PR c++/91334
        * tree-ssa-dce.c (propagate_necessity): Handle new operators
        with not arguments.
        (eliminate_unnecessary_stmts): Likewise.
2019-08-05  Martin Liska  <mli...@suse.cz>

        PR c++/91334
        * g++.dg/torture/pr91334.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/torture/pr91334.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-dce.c