Move the vtable builder to CGVtable.cpp, general cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@83798 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 800600f..1958bf4 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -39,7 +39,8 @@
                              Diagnostic &diags)
   : BlockModule(C, M, TD, Types, *this), Context(C),
     Features(C.getLangOptions()), CompileOpts(compileOpts), TheModule(M),
-    TheTargetData(TD), Diags(diags), Types(C, M, TD), MangleCtx(C), Runtime(0),
+    TheTargetData(TD), Diags(diags), Types(C, M, TD), MangleCtx(C), 
+    VtableInfo(*this), Runtime(0),
     MemCpyFn(0), MemMoveFn(0), MemSetFn(0), CFConstantStringClassRef(0),
     VMContext(M.getContext()) {