[Bug c++/86881] [8, 9 regression] tree check fail with flag Wshadow-compatible-local

[nathan at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86881

--- Comment #7 from Nathan Sidwell <nathan at gcc dot gnu.org> ---
Thanks Christophe, I noticed that when checking the 8 backport and committed a
fix, so updating should make it work.