[Bug c++/109506] [10/11/12/13 regression] -fchecking=2 causes some template constructor not be instantiated when used with NSDMI

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109506

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
build_non_dependent_expr has the only code which does: flag_checking > 1