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From: "gawain.bolton at free dot fr" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/105351] New: [concepts] Constraint checking does correctly
 match static member attributes
Date: Fri, 22 Apr 2022 20:29:58 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105351

            Bug ID: 105351
           Summary: [concepts] Constraint checking does correctly match
                    static member attributes
           Product: gcc
           Version: 11.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gawain.bolton at free dot fr
  Target Milestone: ---

Created attachment 52852
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D52852&action=3Dedit
Concept requirements violated when attr2 is not static

The attached code is shows how a concept requiring a static attribute match=
es a
structure which has the attribute with a non-static data member.

The code also shows that the checking of static vs. non-static functions wo=
rks
as expected.

Tested with https://godbolt.org/ using versions: x86-64 gcc v11.2 and trunk
Compiler options: -std=3Dc++20  -Wall -Wextra -O2=