[PATCH v3 0/2] [symtab/27831] Fix OBJF_MAINLINE assert

[Kevin Buettner <kevinb@redhat.com>]

This is a slightly modified version of a two-part series from over a
year ago.  As noted then, the fix is mostly Simon's work, though the
text of the commit log is still mine.  Also, it required a rebase, so
that work is mine as well.  I've also updated copyright dates as well
as the commit log for the fix to reflect the fact that macros are no
longers used in the affected code.

I've tested on Fedora 38 for both x86_64 and aarch64 - no regressions. 
Moreover, I've observed that the new test case is still relevant, i.e.
the bug hasn't been fixed by some other means in the interim.

Kevin Buettner (2):
  [symtab/27831] Fix OBJF_MAINLINE assert
  [symtab/27831] New test case: gdb.base/add-symbol-file-attach.exp

 gdb/elfread.c                                 |  8 +-
 gdb/symtab.c                                  | 13 ++-
 gdb/symtab.h                                  | 17 ++--
 .../gdb.base/add-symbol-file-attach.c         | 28 ++++++
 .../gdb.base/add-symbol-file-attach.exp       | 88 +++++++++++++++++++
 5 files changed, 137 insertions(+), 17 deletions(-)
 create mode 100644 gdb/testsuite/gdb.base/add-symbol-file-attach.c
 create mode 100644 gdb/testsuite/gdb.base/add-symbol-file-attach.exp

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2.41.0