simplify AnalysisGroup registration, eliminating one typeid call.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29932 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/DataStructure/Steensgaard.cpp

@@ -77,7 +77,7 @@ namespace {
                          "Steensgaard's alias analysis (DSGraph based)");
 
   // Register as an implementation of AliasAnalysis
-  RegisterAnalysisGroup<AliasAnalysis, Steens> Y;
+  RegisterAnalysisGroup<AliasAnalysis> Y(X);
 }
 
 ModulePass *llvm::createSteensgaardPass() { return new Steens(); }