[Bug c++/56389] Return types differs in block scope function declarations and function implementation

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56389

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |accepts-invalid

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Fixed for GCC 11.  I cannot figure out which patch fixed it though. 
There has been a bunch of fixes dealing with return types dealing with C++20
concepts.