Make Module annotable. Reid has a bunch of code that depends on this, and

we really don't win that much by eliminating this (not many Modules are
allocated), so it's not worth it.  When we can, we should revisit this in
the future.

llvm-svn: 12023

llvm/include/llvm/Module.h

@@ -43,7 +43,7 @@ template<> struct ilist_traits<GlobalVariable>
   static iplist<GlobalVariable> &getList(Module *M);
 };
 
-struct Module {
+struct Module : public Annotable {
   typedef iplist<GlobalVariable> GlobalListType;
   typedef iplist<Function> FunctionListType;