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Despite its name, it is a cleanup function for libxml2 that must only be called
when the process as a whole no longer needs libxml2. Calling it from a library
like liblangtag is not appropriate (just like liblangtag does not call
xmlInitParser, either).
In LibreOffice, this caused confusion about pthread keys for thread-local
storage (xmlCleanupParser calls pthread_key_delete, but apparently if libxml2 is
later used by unrelated code in LibreOffice again, it still uses the stale key,
and if that key is now reused via an unrelated pthread_key_create, arbitrary
crashes happen during thread termination in pthread's __nptl_deallocate_tsd).
(cherry picked from commit 5e6c595e9d698caf23ae68d38b9cab30ff9c9b94)
Conflicts:
liblangtag/makefile.mk
Change-Id: I82cef8bc400d48f19eaa94f26d50d4b8589da106
Reviewed-on: https://gerrit.libreoffice.org/662
Reviewed-by: Michael Stahl <mstahl@redhat.com>
Tested-by: Michael Stahl <mstahl@redhat.com>
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