[Bug gas/23941] .debug_line section has a dwarf version set to 2 while supporting opcode from dwarf3

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=23941

--- Comment #3 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6cb7f6d92e4508274fab69c7acbbb961fc45dc70

commit 6cb7f6d92e4508274fab69c7acbbb961fc45dc70
Author: Tom de Vries <tdevries@suse.de>
Date:   Wed Feb 1 01:13:37 2023 +0100

    [gas] Emit v2 .debug_line for -gdwarf-2

    Currently, when using -gdwarf-2, gas emits a v3 .debug_line contribution.

    Fix this by emitting a v2 .debug_line contribution instead.

    gas/ChangeLog:

    2023-01-31  Tom de Vries  <tdevries@suse.de>

            PR 23941
            * dwarf2dbg.c (DWARF2_LINE_VERSION): Set to 2 for -gdwarf-2.
            (DWARF2_LINE_OPCODE_BASE): Handle DWARF2_LINE_VERSION == 2.
            (dwarf2_directive_loc): Bump dwarf_level when encountering
            v3 .loc options.
            (out_debug_line): Don't output v3 standard opcodes for v2.
            * testsuite/gas/i386/debug1.d: Update.
            * testsuite/gas/i386/dwarf2-line-1.d: Update.
            * testsuite/gas/i386/dwarf2-line-4.d: Update.

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