dart2js cps: Refactor CallExpressions into Primitives.

pkg/compiler/lib/src/types/type_mask.dart

Index: pkg/compiler/lib/src/types/type_mask.dart
diff --git a/pkg/compiler/lib/src/types/type_mask.dart b/pkg/compiler/lib/src/types/type_mask.dart
index c255b6040d2fabecfe9e5e58cb8abe2226e04f6e..51716fbaaf05c2f37bdee71b19aabcbeb2737702 100644
--- a/pkg/compiler/lib/src/types/type_mask.dart
+++ b/pkg/compiler/lib/src/types/type_mask.dart
@@ -145,9 +145,9 @@ abstract class TypeMask implements ReceiverConstraint {
   }
 
   factory TypeMask.nonNullSubclass(ClassElement base, ClassWorld classWorld) {
-    assert(invariant(base, classWorld.isInstantiated(base),
-        message: () => "Cannot create subclass type mask for uninstantiated "
-                       "class $base.\n${classWorld.dump(base)}"));
+    // assert(invariant(base, classWorld.isInstantiated(base),
+    //     message: () => "Cannot create subclass type mask for uninstantiated "
+    //                    "class $base.\n${classWorld.dump(base)}"));

[sra1, 2015/11/19 21:41:46]

Remember to undo this :-)

[asgerf, 2015/11/20 16:23:54]

Done.

     ClassElement topmost = classWorld.getLubOfInstantiatedSubclasses(base);
     if (topmost == null) {
       return new TypeMask.nonNullEmpty();