Changed so it gets linked properly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3508 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/LoopInfo.cpp

@@ -40,6 +40,7 @@ void Loop::print(std::ostream &OS) const {
 //===----------------------------------------------------------------------===//
 // LoopInfo implementation
 //
+void LoopInfo::stub() {}
 
 bool LoopInfo::runOnFunction(Function &) {
   releaseMemory();