Merge pull request #30439 from CodaFi/swift-is-an-untyped-languge-now-i-dont-make-the-rules

[NFC] Break TypeChecker Down Into a Namespace

lib/Frontend/Frontend.cpp

@@ -240,7 +240,7 @@ bool CompilerInstance::setUpASTContextIfNeeded() {
   if (setUpModuleLoaders())
     return true;
 
-  createTypeChecker(*Context);
+  Context->setLegacySemanticQueriesEnabled();
   return false;
 }