Do not use typeinfo to identify pass in pass manager.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36632 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index add25fd..a328a89 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -22,6 +22,9 @@
 //  PostDominatorTree Implementation
 //===----------------------------------------------------------------------===//
 
+const int PostDominatorTree::ID = 0;
+const int PostDominanceFrontier::ID = 0;
+const int PostETForest::ID = 0;
 static RegisterPass<PostDominatorTree>
 F("postdomtree", "Post-Dominator Tree Construction", true);