Fallout: PR84340

[Paolo Bonzini]

On 13/02/2018 10:32, Martin Liška wrote:
> Hello.
> 
> It caused PR84340, I'm suggesting following fix:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84340#c3

I don't think EAF_DIRECT is the issue.  You could think of ASAN_MARK as
writing a global variable, which it can do because it's not const.

The issue is that the ASAN_CHECK doesn't exist at early DSE time, and
thus causes the store to disappear.

Paolo