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From: "joseph at codesourcery dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/94631] Wrong codegen for arithmetic on bitfields
Date: Fri, 17 Apr 2020 20:43:26 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94631

--- Comment #6 from joseph at codesourcery dot com <joseph at codesourcery =
dot com> ---
On Fri, 17 Apr 2020, bugdal at aerifal dot cx wrote:

> No, GCC's treatment also seems to mess up bitfields smaller than int and =
fully
> governed by the standard (no implementation-defined use of non-int types):

"unsigned int" bit-fields narrower than int are *required* by the=20
standard, for both C and C++, to be promoted to int by the integer=20
promotions.=