[Bug middle-end/69976] Zero the local stack on function exit

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69976

--- Comment #13 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Did this patch ever get posted to gcc-patches@gcc.gnu.org?  That's probably the
best way to get some traction on this.  Note that feature-freeze for GCC 8 is
coming in the next few weeks, AIUI.