[Bug target/64368] [5 Regression] Several libstdc++ test failures on non-linux platforms after r218964.

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64368

--- Comment #25 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Great, thanks for confirming it. As you say, let's leave this open for now in
case HP or Rainer still sees some of these failures.