[Bug target/85915] ABI incompatibility (multiple definition of `__x86_return_thunk') for static libraries, between GCC 7.3.0 and GCC >=7.4.0, caused by -mfunction-return=thunk

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85915

--- Comment #14 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Luke Dashjr from comment #13)
> I run Gentoo, so it compiled it for me (2.27)

You should report it to Gentoo.