[Bug 1971474] Re: SRU: Update gdb to the final 12.1 release in 22.04 LTS

[Kevin Puetz]

> And it fixes a VSCode integration issue.

Also Qt Creator. And probably most any other gdb GUI that displays a
"locals" window and therefore might try to display an optimized-out
symbol.

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https://bugs.launchpad.net/bugs/1971474

Title:
  SRU: Update gdb to the final 12.1 release in 22.04 LTS

Status in gdb package in Ubuntu:
  Invalid
Status in gdb source package in Jammy:
  Fix Committed

Bug description:
  Update gdb to the final 12.1 release in 22.04 LTS. jammy ships with
  the gdb 12.1 release candidate, taken from the gdb-12 branch. Changes
  up to the final release are:

   - updated gnulib library
   - Fix for PR mi/29002 (Windows only)
   - gdb: fix 'remote show FOO-packet' aliases
   - various testsuite fixes
   - fixing compiler warnings
   - Fix bug in Ada number lexing
   - Remove "Ada Settings" node from the manual
   - Handle TLS variable lookups when using separate debug files.
   - PR 28980: gdb: don't copy entirely optimized out values in value_copy
   - gdb/mi: fix use after free of frame_info causing spurious notifications

  Comparing the test results between the two builds doesn't show any
  regression on any architecture.

  Also tested with a test rebuild of main, see LP: #1970233.

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