You don't need to assign it to anyone, but we're not yet sure what bug is present that we can fix. Until we get closer to seeing what the failure is, we're going to find it hard to take concrete actions or who might do so (i.e., who to assign it to).
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This isn't commercial application support, you understand; we do other things too.
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I'm guessing that the problem with the <tt>TCL_MEM_DEBUG</tt> flag is that you're linking against the wrong built instance of the library. I don't know/remember how to fix that sub-issue.