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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/108242] [10/11/12/13 Regression] '__FUNCTION__' was not
 declared when used inside a generic (templated) lambda declared inside a
 template function
Date: Thu, 16 Mar 2023 22:11:24 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108242

--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The trunk branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:b323f52ccf966800297b0520b9e1d4b3951db525

commit r13-6722-gb323f52ccf966800297b0520b9e1d4b3951db525
Author: Jason Merrill <jason@redhat.com>
Date:   Thu Mar 16 15:11:25 2023 -0400

    c++: generic lambda, local class, __func__ [PR108242]

    Here we are trying to do name lookup in a deferred instantiation of t()=
 and
    failing to find __func__.  tsubst_expr already tries to instantiate mem=
bers
    of local classes, but was failing with the partial instantiation of gen=
eric
    lambdas.

            PR c++/108242

    gcc/cp/ChangeLog:

            * pt.cc (tsubst_expr) [TAG_DEFN]: Handle partial instantiation.

    gcc/testsuite/ChangeLog:

            * g++.dg/cpp1y/lambda-generic-func2.C: New test.=