From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 5AF8B3858401; Fri, 19 Jan 2024 07:45:06 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5AF8B3858401
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1705650306;
	bh=1ukmbCLlPRyyfWsqrGevc6kDLs4yHFCjxhqBpNGbxE0=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=XTzYOsXL9sg5rWnRtgL5uX6NwRuHrw93hmBf8qGzbKyChfIj9zhgU1uvPIeIcTRzJ
	 HdW7VOnd7y/wJxkbQZ3JPrNzCTO5+dvFLarY4NsmqsfsEGA93MyA5M1xx5cl6IEPOF
	 bVPwWTKW2lWk5se7J4Yqk51BXygwYHpVza+kKP5M=
From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/113500] Using std::format with float or double based
 std::chrono::time_point causes error: no match for 'operator<<'
Date: Fri, 19 Jan 2024 07:45:06 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 13.1.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: redi at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: redi at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 13.3
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-113500-4-Hpj2zkBLj0@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-113500-4@http.gcc.gnu.org/bugzilla/>
References: <bug-113500-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
List-Id: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113500

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Hirthammer from comment #0)
> Consider the following code snippet:

As stated at https://gcc.gnu.org/bugs we want a complete test case, not a
snippet.

#include <chrono>
#include <format>
std::chrono::sys_time<std::chrono::duration<float>> tp =3D {};
auto time_string =3D std::format("{:%S}", tp);=