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From: "ppalka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/113544] New: [14 Regression] bogus incomplete type error
 with dependent data member in local class in generic lambda since r14-278
Date: Mon, 22 Jan 2024 16:46:47 +0000
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X-Bugzilla-Version: 14.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113544

            Bug ID: 113544
           Summary: [14 Regression] bogus incomplete type error with
                    dependent data member in local class in generic lambda
                    since r14-278
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ppalka at gcc dot gnu.org
  Target Milestone: ---

template<class T>
void f() {
  [](auto parm) {
    struct type {
      decltype(parm) x;
    };
  };
}

template void f<int>();

<stdin>: In instantiation of =E2=80=98struct f<int>()::<lambda(auto:1)>::ty=
pe=E2=80=99:
<stdin>:6:5:   required from =E2=80=98void f() [with T =3D int]=E2=80=99
<stdin>:10:22:   required from here
<stdin>:5:22: error: =E2=80=98f()::<lambda(auto:1)>::type::x=E2=80=99 has i=
ncomplete type
<stdin>:5:22: error: invalid use of dependent type =E2=80=98decltype (parm)=
=E2=80=99=