[Bug testsuite/21553] New: Double free in gdb when running gdb.linespec/ls-errs.exp

["thopre01 at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=21553

            Bug ID: 21553
           Summary: Double free in gdb when running
                    gdb.linespec/ls-errs.exp
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: thopre01 at gcc dot gnu.org
  Target Milestone: ---

Hi,

GDB started to experience some double free issue when executing
gdb.linespec/ls-errs.exp (gdb.linespec/ls-errs.exp: lang=C: break -line 3 1)
somewhere between revisions 0efdc7237e8eb2c75b9c74bc60175ef50719b8b8 and
0af6b29b9dcd8ff2c34d07a76e3416acf3758bfc. The exact error message is:

Error in `<path-to-binutils-gdb-repo>/gdb/gdb': double free or corruption
(fasttop): <some-address>

Please let me know what I can do to help resolve this.

Best regards.

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