[Bug c++/18590] GDB memory leak (5+ GB) with Qt Creator in python theDumper.showData

["szotsaki at gmail dot com" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=18590

--- Comment #1 from Ákos Szőts <szotsaki at gmail dot com> ---
Created attachment 8387
  --> https://sourceware.org/bugzilla/attachment.cgi?id=8387&action=edit
First backtrace of the running GDB

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From: "szotsaki at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug c++/18590] New: GDB memory leak (5+ GB) with Qt Creator in
 python theDumper.showData
Date: Wed, 24 Jun 2015 11:17:00 -0000
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https://sourceware.org/bugzilla/show_bug.cgi?id\x18590

            Bug ID: 18590
           Summary: GDB memory leak (5+ GB) with Qt Creator in python
                    theDumper.showData
           Product: gdb
           Version: 7.8
            Status: NEW
          Severity: normal
          Priority: P2
         Component: c++
          Assignee: unassigned at sourceware dot org
          Reporter: szotsaki at gmail dot com
  Target Milestone: ---

In my project the program stopped at a break point and then Qt Creator wanted
to show the stack with pretty printing. However, in a minute GDB used around 5
GB of memory and was growing further.

I attach the following files:
- gdb bt-1 and gdb bt-2: two backtraces of GDB at different times
- gdb issued commands: the issued commands by Qt Creator

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