[Bug gas/28149] debug info with wrong file association

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28149

--- Comment #8 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by Alan Modra <amodra@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ef9768e37e34bec50aa8cbb0ce25708b06f09255

commit ef9768e37e34bec50aa8cbb0ce25708b06f09255
Author: Alan Modra <amodra@gmail.com>
Date:   Fri Sep 17 09:21:21 2021 +0930

    PR28149 part 2, purge generated line info

    Mixing compiler generated line info with gas generated line info is
    generally just confusing.  Also .loc directives with non-zero view
    fields might reference a previous .loc.  It becomes a little more
    tricky to locate that previous .loc if there might be gas generated
    line info present too.  Mind you, we turn off gas generation of line
    info on seeing compiler generated line info, so any reference back
    won't hit gas generated line info.  At least, if the view info is
    sane.  Unfortunately, gas needs to handle mangled source.

            PR 28149
            * dwarf2dbg.c (purge_generated_debug): New function.
            (dwarf2_directive_filename): Call the above.
            (out_debug_line): Don't segfault after purging.
            * testsuite/gas/i386/dwarf2-line-4.d: Update expected output.
            * testsuite/gas/i386/dwarf4-line-1.d: Likewise.
            * testsuite/gas/i386/dwarf5-line-1.d: Likewise.
            * testsuite/gas/i386/dwarf5-line-2.d: Likewise.

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