tree 16af2a6bf5a2d675e67193b79199c284acd922b8
parent 18244e842b30b96b0c6915defa94d0c7b0108897
author Junxiao Shi <git@mail1.yoursunny.com> 1480043079 +0000
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> 1480987317 -0800

util: plug Regex memory leak

Previously, RegexMatcher::m_backrefManager and RegexBackrefManager::m_backrefs
own each other via shared_ptrs, causing a memory leak.
RegexBackrefManager::m_backrefs is now changed to weak_ptr.

refs #3673

Change-Id: I882a83ee1f29754721d9b3b9997b3bbc465df989