Scala Buggabot

Mishandled captured parameters in secondary class constructors.

4

There are some conditions where parameter captured by secondary constructors generate ambiguous bytecode. Such as in the following example where the default constructor receives an Int parameter and the secondary...

Illegal duplicate inheritance error not issued for ProductN (and other potential case class parents)

5

I noticed this loophole when perusing `fixDuplicateSyntheticParents` in `Typers`. ``` scala> trait T[A] defined trait T scala> abstract class C(i: Int) extends T[Int] with T[String] :8: error: illegal inheritance; self-type...

Match on inner type generates no compiler warning but fails at runtime

3

The attached sample code compiles fine in Scala 2.11.7 and Scala 2.10.3 (Scala 2.9.3 warns that "TestMain.scala:9: error: scrutinee is incompatible with pattern type") - even with `-unchecked -deprecation -feature...

No way to annotate a package

8

Scala does not have any way of placing annotations on a package. In Java, package annotations are placed before the `package` statement in a Java source file named `package-info.java`. The...

implicit wrappers should NPE in same way as direct call

3

Let's audit the wrappers we have in the std lib to make sure the behavior is consistent wrt a regular call on wrapped objects == null. Follow up for https://github.com/scala/scala/pull/4343

Overridden methods with wider access don't have it applied in specialized versions

4

Given a `protected[this]` method and a subtype overriding its declaration to make access public, the widening of access isn't applied to the specialized declarations. ```scala trait QuitePrivate[@specialized(Int) +K] { protected[this]...

Mixed compilation: cannot refer to Scala object in Java source

1

Test.scala ```scala package p object O { Test.foo() } ``` Test.java ```scala package p; public class Test { public static p.O$ foo() { return null; } } ``` ``` $...

Concurrent modification exception under XML.load

6

Dispatch user reported this bug: https://github.com/n8han/Databinder-Dispatch/issues/33 Dispatch is using the load method of the XML singleton object from potentially many threads. The stack trace suggests that the the static method...

Component/Publisher initialization may be broken -- or is somewhat obscure

2

I'm not quite sure whether this is a bug or intended behavior: A Publisher automatically listens to itself, "for convenience". For a Component, this call to listenTo() calls Publisher's subscribe,...

Missing GroupPanel

4

I miss the GroupPanel (Scala 2.8 RC1). So I have implemented a first simple version. It does not yet offer all features of GroupPanel, but you can write some gui...