[Bug libstdc++/82033] C++11 <thread> library doesn't work on AIX if GCC is built with --disable-bootstrap

[sam.thursfield at codethink dot co.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82033

--- Comment #4 from Sam Thursfield <sam.thursfield at codethink dot co.uk> ---
For posterity, the actual cause of my issue was passing `--disable-multilib` to
configure. It's pretty clear why this broke some threading stuff -- 'pthread'
is a whole separate set of libs on AIX.