- Allow for loading dart:html and friends into the standalone

runtime/vm/compiler.cc

Index: runtime/vm/compiler.cc
diff --git a/runtime/vm/compiler.cc b/runtime/vm/compiler.cc
index 55afac151ad4bded0838a3123d0c5a8ec8760e1a..e82203807a3c01e6027dfe06343dc00cc984bf43 100644
--- a/runtime/vm/compiler.cc
+++ b/runtime/vm/compiler.cc
@@ -1535,6 +1535,11 @@ RawError* Compiler::CompileAllFunctions(const Class& cls) {
     if (!func.HasCode() &&
         !func.is_abstract() &&
         !func.IsRedirectingFactory()) {
+      if ((cls.is_mixin_app_alias() || cls.IsMixinApplication()) &&
+          func.HasOptionalParameters()) {
+        // Skipping optional parameters in mixin application.
+        continue;
+      }
       error = CompileFunction(thread, func);
       if (!error.IsNull()) {
         return error.raw();