[Bug c++/116439] [14/15 Regression] decltype(auto) in return type of lambda uses the type of the outer scope, not the capture

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116439

--- Comment #5 from Patrick Palka <ppalka at gcc dot gnu.org> ---
(In reply to Patrick Palka from comment #4)
> It's correct but certainly weird that the current rules mean the second to
> last decltype(auto) is invalid, because decltype(source) is S& but the
> closure member is const S&..
D'oh, ignore this, I totally misinterpreted the testcase.   The weird example I
had in mind was https://gcc.gnu.org/pipermail/gcc-patches/2024-June/655632.html
FWIW