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From: "hewillk at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug libstdc++/100558] std::ranges::views operator| fails to compile
Date: Wed, 12 May 2021 14:25:10 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100558

=E5=BA=B7=E6=A1=93=E7=91=8B <hewillk at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hewillk at gmail dot com

--- Comment #1 from =E5=BA=B7=E6=A1=93=E7=91=8B <hewillk at gmail dot com> =
---
(In reply to Jooseong Lee from comment #0)
> GCC 11.1.0 fails to compile this code
>=20
> https://wandbox.org/permlink/yWSpe4tVZTI3ljKg
>=20
> which has no problem in
>=20
> GCC 12.0 HEAD 20210511 (https://wandbox.org/permlink/YWzUzsmIjdqe5zvH)
> GCC 10.1.0 (https://wandbox.org/permlink/wVsn1mqhLuS2R5vg)
>=20
> Some updates in 11.1.0 must be broken

The problem here is narrowing conversion of list-initialization in require
clause of range adaptors, which been resolved in
https://github.com/gcc-mirror/gcc/commit/6e00d9bb113b531be15bc71cad2f174264=
8ba18a#diff-f6609135db2231e86a4562e8e69d605ff4ec06e6f02f43c5ffc23bc7126ab71=
9.=