[PATCH] Fix PR sanitizer/78270 (part 2)

[Martin Liška]

I'm pinging this as it breaks ASAN bootstrap.

On 11/11/2016 02:44 PM, Martin Liška wrote:
> Hello.
> 
> Due to a stupid mistake I did, following patch is needed for the test-case
> to properly save previous gimplify_ctxp->live_switch_vars.
> 
> Patch can bootstrap on ppc64le-redhat-linux and survives regression tests.
> I was able to run asan bootstrap on x86_64-linux-gnu and kernel build with
> allyesconfig works fine.
> 
> Ready to be installed?
> Martin
>