[Bug sanitizer/71291] Firefox with GCC reports stack-buffer-overflow but clang does not

[m.ostapenko at samsung dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71291

--- Comment #13 from Maxim Ostapenko <m.ostapenko at samsung dot com> ---
Created attachment 38620
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38620&action=edit
mozconfig

This .mozconfig with current trunk clang 3.9.0. The source code I've downloaded
from here:

$ hg clone https://hg.mozilla.org/mozilla-central/ firefox