https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99895

Patrick Palka <ppalka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |ppalka at gcc dot 
gnu.org
             Status|UNCONFIRMED                 |ASSIGNED
                 CC|                            |ppalka at gcc dot gnu.org
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-05-27

--- Comment #1 from Patrick Palka <ppalka at gcc dot gnu.org> ---
Confirmed.  Reduced:

struct fixed_string { consteval auto size() const { return 42; } };

template<fixed_string s>
static void VerifyHash() {
  [](auto){ s.size(); };
}

void foo() { VerifyHash<{}>(); }


Declaring size() constexpr instead of consteval makes us accept.

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