[Bug gas/28266] CWD present in object file even after use of -fdebug-prefix-map=$PWD=foo

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=28266

--- Comment #9 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot 
gnu.org> ---
The master branch has been updated by H.J. Lu <hjl@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=58f3b6a3495074da39ba6e19935e4401dcbacf88

commit 58f3b6a3495074da39ba6e19935e4401dcbacf88
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Thu Sep 9 09:14:42 2021 -0700

    gas: Use the directory name in .file 0

    DWARF5 allows .file 0 to take an optional directory name.  Set the entry
    0 of the directory table to the directory name in .file 0.

            PR gas/28266
            * dwarf2dbg.c (get_directory_table_entry): Add an argument for
            the directory name in .file 0 and use it, instead of PWD.
            (allocate_filenum): Pass NULL to get_directory_table_entry.
            (allocate_filename_to_slot): Pass the incoming dirname to
            get_directory_table_entry.
            * testsuite/gas/elf/dwarf-5-file0-2.d: New file.
            * testsuite/gas/elf/dwarf-5-file0-2.s: Likewise.
            * testsuite/gas/elf/elf.exp: Run dwarf-5-file0-2.

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