[Bug bootstrap/84402] [meta] GCC build system: parallelism bottleneck

[egallager at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84402

--- Comment #31 from Eric Gallager <egallager at gcc dot gnu.org> ---
I think this came up at Cauldron, but I forget what exactly people said about
it...