Cleanup: remove artificial division between lookup results and const lookup

results. No-one was ever modifying a lookup result, and it would not be
reasonable to do so.

llvm-svn: 230123

clang/lib/Sema/SemaDeclCXX.cpp

@@ -9069,7 +9069,7 @@ private:
     ASTContext &Context = SemaRef.Context;
     DeclarationName Name = Context.DeclarationNames.getCXXConstructorName(
         Context.getCanonicalType(Context.getRecordType(Base)));
-    DeclContext::lookup_const_result Decls = Derived->lookup(Name);
+    DeclContext::lookup_result Decls = Derived->lookup(Name);
     return Decls.empty() ? Derived->getLocation() : Decls[0]->getLocation();
   }