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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/111529] [11/12/13/14 Regression] ICE on bool conversion in
 an unrolled loop condition inside template lambda nested in another template
 scope
Date: Fri, 22 Sep 2023 13:01:04 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111529

--- Comment #5 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:9c62af101e11e1cce573c2b3d2e18b403412dbc8

commit r14-4229-g9c62af101e11e1cce573c2b3d2e18b403412dbc8
Author: Jason Merrill <jason@redhat.com>
Date:   Fri Sep 22 12:10:11 2023 +0100

    c++: unroll pragma in templates [PR111529]

    We were failing to handle ANNOTATE_EXPR in tsubst_copy_and_build, leadi=
ng
to
    problems with substitution of any wrapped expressions.

    Let's also not tell users that lambda templates are available in C++14.

            PR c++/111529

    gcc/cp/ChangeLog:

            * parser.cc (cp_parser_lambda_declarator_opt): Don't suggest
            -std=3Dc++14 for lambda templates.
            * pt.cc (tsubst_expr): Move ANNOTATE_EXPR handling...
            (tsubst_copy_and_build): ...here.

    gcc/testsuite/ChangeLog:

            * g++.dg/ext/unroll-4.C: New test.=