https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104255
Barry Revzin <barry.revzin at gmail dot com> changed:
What |Removed |Added
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CC| |barry.revzin at gmail dot com
--- Comment #8 from Barry Revzin <barry.revzin at gmail dot com> ---
(In reply to Patrick Palka from comment #2)
> The error message is obscure, but it seems what GCC has issue with here is
> the use of the function parameter seq2 in the trailing return type occurring
> outside of an unevaluated context.
>
> I'm not totally sure if the testcase is valid
> (https://eel.is/c++draft/basic.scope.param#note-1 might suggest it's not?),
But we're not using the parameter for its "value" here (which I think means in
the sense of lvalue-to-rvalue conversion... as in reading a parameter of type
int), so I don't think this would be a reason to reject?
