stdc++ issue: extremely long compile time with large number of string literals

[Jonathan Wakely]

> I'm not sure if this is the right mailing list for asking about

No it's not, this list is for automated mails from our bug database.

> (possible) g++ issues. If not, I'd appreciate it if someone can point
> me to the right one.

See https://gcc.gnu.org/lists.html which tells you that gcc-help is
the right list.