Author :
Martin Mitas
Date :
2016-12-04 20:48:06
Hash :035dea49 Message :Fix crash caused by bad management of opener chains.
1. We need to reset (potentially used) chains after each mark analysis
phase. This ensures that md_rollback() does not try to play with
chains used in previous phases.
2. md_rollback() must never play with PTR_CHAIN.