[Bug c++/98990] Internal compiler error when two overloaded functions return `auto &&` and one accepts an `auto` parameter

[david at doublewise dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98990

David Stone <david at doublewise dot net> changed:

           What    |Removed                     |Added
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                 CC|                            |david at doublewise dot net

--- Comment #1 from David Stone <david at doublewise dot net> ---
To trigger this bug, the return type can be declared `auto &&`, `auto const &`,
or `auto &`. If it is `auto` or `decltype(auto)`, the bug is not triggered.
Whichever form is used, the same form must be used for both declarations.