[Bug gdb/30423] Build failures with clang 16

["cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=30423

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The gdb-13-branch branch has been updated by Simon Marchi
<simark@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=caaf38247f0c5e9a7d20d5aaa4ece0b3482f65f9

commit caaf38247f0c5e9a7d20d5aaa4ece0b3482f65f9
Author: Simon Marchi <simon.marchi@efficios.com>
Date:   Thu Feb 23 12:35:41 2023 -0500

    gdb: fix -Wsingle-bit-bitfield-constant-conversion warning in z80-tdep.c

    When building with clang 16, I see:

        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:338:32: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
                info->prologue_type.load_args = 1;
                                              ^ ~
        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:345:36: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
              info->prologue_type.critical = 1;
                                           ^ ~
        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:351:37: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
              info->prologue_type.interrupt = 1;
                                            ^ ~
        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:367:36: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
                      info->prologue_type.fp_sdcc = 1;
                                                  ^ ~
        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:375:35: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
              info->prologue_type.fp_sdcc = 1;
                                          ^ ~
        /home/smarchi/src/binutils-gdb/gdb/z80-tdep.c:380:35: error: implicit
truncation from 'int' to a one-bit wide bit-field changes value from 1 to -1
[-Werror,-Wsingle-bit-bitfield-constant-conversion]
              info->prologue_type.fp_sdcc = 1;
                                          ^ ~

    Fix that by using "unsigned int" as the bitfield's underlying type.

    (cherry picked from commit 07f285934886016ddd82cac99a3873e68b499d5c)

    Change-Id: I3550a0112f993865dc70b18f02ab11bb5012693d
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=30423
    Approved-By: Tom Tromey <tom@tromey.com>

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