[Bug tree-optimization/77450] [5 Regression] ICE: in verify_ssa, at tree-ssa.c:1016 on very simple code with vectors

["rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77450

--- Comment #11 from rguenther at suse dot de <rguenther at suse dot de> ---
On Tue, 24 Jan 2017, clyon at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77450
> 
> Christophe Lyon <clyon at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |clyon at gcc dot gnu.org
> 
> --- Comment #10 from Christophe Lyon <clyon at gcc dot gnu.org> ---
> The new testcase pr77450.c fails to compile on aarch64/arm (in gcc-5-branch).
> 
> I'm seeing:
> testsuite/gcc.dg/pr77450.c:10:1: internal compiler error: in verify_ssa, at
> tree-ssa.c:945
> 0xc51485 verify_ssa(bool, bool)
>         /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/tree-ssa.c:945
> 0x994fbd execute_function_todo
>         /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/passes.c:1966
> 0x994b4d do_per_function
>         /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/passes.c:1658
> 0x996483 execute_todo
>         /aci-gcc-fsf/sources/gcc-fsf/gccsrc/gcc/passes.c:2016

Somehow the actual patch hunk got lost (and I forgot to enable checking
during bootstrap).  Fix in testing.