[Bug c++/64521] [4.9/5 Regression] ICE with -frepo

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64521

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I have a doc patch somewhere advising against using -frepo ... it's not
necessary on modern systems and seems to have bit-rotted.