[Bug middle-end/80775] [8 Regression] -O3 produces ice in group_case_labels_stmt

[bergner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80775

--- Comment #10 from Peter Bergner <bergner at gcc dot gnu.org> ---
Author: bergner
Date: Wed May 17 14:05:21 2017
New Revision: 248155

URL: https://gcc.gnu.org/viewcvs?rev=248155&root=gcc&view=rev
Log:
gcc/
        PR middle-end/80775
        * tree-cfg.c: Move deletion of unreachable case statements to after
        the merging of consecutive case labels.

gcc/testsuite/
        PR middle-end/80775
        * gcc.dg/pr80775.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr80775.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-cfg.c