[Bug middle-end/90478] [10 Regression] ICE in emit_case_dispatch_table at gcc/stmt.c:796

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90478

--- Comment #4 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed May 15 12:58:53 2019
New Revision: 271210

URL: https://gcc.gnu.org/viewcvs?rev=271210&root=gcc&view=rev
Log:
Check for overflow in tree-switch-conversion (PR middle-end/90478).

2019-05-15  Martin Liska  <mli...@suse.cz>

        PR middle-end/90478
        * tree-switch-conversion.c (jump_table_cluster::can_be_handled):
        Check for overflow.
2019-05-15  Martin Liska  <mli...@suse.cz>

        PR middle-end/90478
        * gcc.dg/tree-ssa/pr90478-2.c: New test.
        * gcc.dg/tree-ssa/pr90478.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr90478-2.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr90478.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-switch-conversion.c