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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 libstdc++/114633] [14 Regression] A cross to rx fails to build
 in libstdc++
Date: Tue, 09 Apr 2024 23:22:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114633

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:

https://gcc.gnu.org/g:92b38ec84f2990d217f036dc6c5a32cde5ecfb93

commit r14-9879-g92b38ec84f2990d217f036dc6c5a32cde5ecfb93
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Mon Apr 8 17:37:32 2024 +0100

    libstdc++: Fix build for targets without FP std::from_chars [PR114633]

    If the faster std::from_chars is not supported for floating-point types
    then just extract the value from the stream using operator>>.

    This fixes a build error for targets where __cpp_lib_to_chars is not
    defined.

    libstdc++-v3/ChangeLog:

            PR libstdc++/114633
            * include/bits/chrono_io.h (_Parser::operator()) <'S'>: Use
            stream extraction if std::from_chars is not available.=