[Bug c++/85651] Invalid -Warray-bounds warning with -O3

[gburca-gnu at ebixio dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85651

--- Comment #1 from Gabriel Burca <gburca-gnu at ebixio dot com> ---
I suspect the "for" loop in appendAux() is being optimized and replaced with a
memcpy(), which then leads to the warning.