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| author | Morgan Deters <mdeters@cs.nyu.edu> | 2014-11-09 19:02:42 -0500 |
|---|---|---|
| committer | Morgan Deters <mdeters@cs.nyu.edu> | 2014-11-09 19:02:42 -0500 |
| commit | 8a43f6c6aa01f9b27434caf1c5dd9ef6b2dcd963 (patch) | |
| tree | 08e6c95a6d7bd25188d8b6a0d79193cd4e1a318b /src/expr/node_manager.cpp | |
| parent | 4475cfe82e97f549b41b465e71670794cbcd77e4 (diff) | |
| parent | 5c99a9b0fb5f8c0f0aabc8ddcee1cbb93d493eca (diff) | |
Merge branch '1.4.x'
Diffstat (limited to 'src/expr/node_manager.cpp')
| -rw-r--r-- | src/expr/node_manager.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/expr/node_manager.cpp b/src/expr/node_manager.cpp index 31b17ccda..5c2b81645 100644 --- a/src/expr/node_manager.cpp +++ b/src/expr/node_manager.cpp @@ -202,10 +202,21 @@ void NodeManager::reclaimZombies() { NodeValueReferenceCountNonZero()); d_zombies.clear(); +#ifdef _LIBCPP_VERSION + NodeValue* last = NULL; +#endif for(vector<NodeValue*>::iterator i = zombies.begin(); i != zombies.end(); ++i) { NodeValue* nv = *i; +#ifdef _LIBCPP_VERSION + // Work around an apparent bug in libc++'s hash_set<> which can + // (very occasionally) have an element repeated. + if(nv == last) { + continue; + } + last = nv; +#endif // collect ONLY IF still zero if(nv->d_rc == 0) { |