Source positions for constructors and lots of async machinery

runtime/vm/stub_code_mips_test.cc

Index: runtime/vm/stub_code_mips_test.cc
diff --git a/runtime/vm/stub_code_mips_test.cc b/runtime/vm/stub_code_mips_test.cc
index 512baaf315a8fef444393ea3a03f9cbd077cd7fd..21e77689356b13ff51676349c80899ff631f2e66 100644
--- a/runtime/vm/stub_code_mips_test.cc
+++ b/runtime/vm/stub_code_mips_test.cc
@@ -23,7 +23,7 @@ static Function* CreateFunction(const char* name) {
   const String& class_name = String::Handle(Symbols::New("ownerClass"));
   const Script& script = Script::Handle();
   const Class& owner_class =
-      Class::Handle(Class::New(class_name, script, Scanner::kNoSourcePos));
+      Class::Handle(Class::New(class_name, script, Token::kNoSourcePos));
   const Library& lib = Library::Handle(Library::New(class_name));
   owner_class.set_library(lib);
   const String& function_name = String::ZoneHandle(Symbols::New(name));