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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/109814] [13/14 Regression] freestanding using cmath
 does not compile anymore
Date: Thu, 11 May 2023 16:00:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109814

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to lesto fante from comment #0)
> My code stop compiling after updating from
> arm-none-eabi-gcc (Arch Repository) 12.2.0
> to
> arm-none-eabi-gcc (Arch Repository) 13.1.0
> (cant easily test any version in-between)

Please add the output of 'gcc -v' (as requested by the bug reporting docs),=
 the
info above doesn't tell us much.

Presumably you're using newlib to provide the libm functions that <cmath>
declares?=