[Bug c++/89158] [8/9 Regression] by-value capture of ICE variable isn't an lvalue?

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89158

--- Comment #4 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Looks like using mark_lvalue_use instead works.