[Bug c++/82768] ICE in synthesize_implicit_template_parm, at cp/parser.c:39338

[Casey at Carter dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82768

Casey Carter <Casey at Carter dot net> changed:

           What    |Removed                     |Added
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                 CC|                            |Casey at Carter dot net

--- Comment #2 from Casey Carter <Casey at Carter dot net> ---
(In reply to Martin Liška from comment #1)
> Confirmed on all release that support -fconcepts. Is it a valid code?

No. Using a placeholder type for the parameter of a requires expression is not
supported. (Specifically, the Addressable parameter in the definition of
InternalCompilerError.)