[Bug mi/12555] Hangup in MI commands if python StdStringPrinter usedon uninitialized std::string

["jens.elmenthaler at verigy dot com"<sourceware-bugzilla at sourceware dot org>]

http://sourceware.org/bugzilla/show_bug.cgi?id=12555

--- Comment #1 from Jens Elmenthaler <jens.elmenthaler at verigy dot com> 2011-03-09 16:09:28 UTC ---
A couple of observations:

1) I altered StdStringPrinter to not retrieve more than 100 chars in its
to_string methods, and I don't see any hangups any longer.

2) There is no hangup if I use gdb's command line instead of a graphical
frontend. This is because the command line interface has a user setting for the
number of characters to fetch for strings.

3) The hangup is not just limited to -stack-list-locals, it can be any MI
command that tries to return the value of a local, an expression, or MI
variable

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