[Bug tree-optimization/80632] [8 Regression] error: invalid PHI argument with -O2

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80632

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Fri May  5 16:02:44 2017
New Revision: 247642

URL: https://gcc.gnu.org/viewcvs?rev=247642&root=gcc&view=rev
Log:
        PR tree-optimization/80632
        * tree-switch-conversion.c (struct switch_conv_info): Add target_vop
        field.
        (build_arrays): Initialize it for virtual phis.
        (fix_phi_nodes): Use it for virtual phis.

        * gcc.dg/pr80632.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr80632.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-switch-conversion.c