dart2js cps: Support inlining constructors with type arguments.

pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart

Index: pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
diff --git a/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart b/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
index 0a80f33c9462c523a1ee2d6b638384aef9cf4dd2..347e2dcbbaa8ccf3120670703b9fb8adb5c0f614 100644
--- a/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
+++ b/pkg/compiler/lib/src/cps_ir/cps_ir_builder.dart
@@ -2411,7 +2411,8 @@ class IrBuilder {
       arguments.add(value);
     }
     return addPrimitive(new ir.CreateInstance(
-        classElement, arguments, const <ir.Primitive>[], sourceInformation));
+        classElement.rawType, arguments, const <ir.Primitive>[],
+        sourceInformation));
   }
 
   /// Create a read access of [local] function, variable, or parameter.