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From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug symtab/30369] [gdb/symtab] False match issue in
 skip_prologue_using_linetable
Date: Sat, 22 Apr 2023 05:50:18 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D30369

--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gn=
u.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=3Dbinutils-gdb.git;h=3Da88ee931eee4=
ba7339c481735b9405f66161e2f6

commit a88ee931eee4ba7339c481735b9405f66161e2f6
Author: WANG Rui <r@hev.cc>
Date:   Sat Apr 22 07:50:08 2023 +0200

    gdb: Fix false match issue in skip_prologue_using_linetable

    [ Changes in v2:
      - rebase on trunk
      Changes in v3:
      - add test-case ]

    We should exclude matches to the ending PC to prevent false matches with
the
    next function, as prologue_end is located at the end PC.

      <fun1>:
        0x00: ... <-- start_pc
        0x04: ...
        0x08: ... <-- breakpoint
        0x0c: ret
      <fun2>:
        0x10: ret <-- end_pc | prologue_end of fun2

    Tested on x86_64-linux.

    Co-Authored-By: WANG Rui <r@hev.cc> (fix, tiny change [1])
    Co-Authored-By: Tom de Vries <tdevries@suse.de> (test-case)
    Approved-by: Kevin Buettner <kevinb@redhat.com>

    [1] https://www.gnu.org/prep/maintain/html_node/Legally-Significant.html

    PR symtab/30369
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=3D30369

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