Do not use typeinfo to identify pass in pass manager.

llvm-svn: 36632

llvm/lib/CodeGen/LiveVariables.cpp

@@ -37,6 +37,7 @@
 #include <algorithm>
 using namespace llvm;
 
+const int LiveVariables::ID = 0;
 static RegisterPass<LiveVariables> X("livevars", "Live Variable Analysis");
 
 void LiveVariables::VarInfo::dump() const {