From a8f9c2e63f65643ef211c3ba9fede8233575a79d Mon Sep 17 00:00:00 2001
From: Simon Ochsenreither <simon@ochsenreither.de>
Date: Fri, 28 Jun 2013 00:24:09 +0200
Subject: SI-7591 Minor cleanups

---
 src/compiler/scala/tools/cmd/Spec.scala                 |  2 +-
 src/library/scala/util/parsing/combinator/Parsers.scala |  4 ----
 src/partest/scala/tools/partest/nest/Runner.scala       | 11 ++---------
 test/files/run/t6331.scala                              |  7 +------
 test/files/run/t6331b.scala                             |  9 +--------
 test/files/run/t7271.scala                              |  1 -
 6 files changed, 5 insertions(+), 29 deletions(-)

diff --git a/src/compiler/scala/tools/cmd/Spec.scala b/src/compiler/scala/tools/cmd/Spec.scala
index b761601167..a1cb31f911 100644
--- a/src/compiler/scala/tools/cmd/Spec.scala
+++ b/src/compiler/scala/tools/cmd/Spec.scala
@@ -15,7 +15,7 @@ trait Spec {
   def programInfo: Spec.Info
 
   protected def help(str: => String): Unit
-  protected def heading(str: => String): Unit = help("\n  " + str)
+  protected def heading(str: => String): Unit = help(s"\n  $str")
 
   type OptionMagic <: Opt.Implicit
   protected implicit def optionMagicAdditions(s: String): OptionMagic
diff --git a/src/library/scala/util/parsing/combinator/Parsers.scala b/src/library/scala/util/parsing/combinator/Parsers.scala
index 4602c3cc53..16754646fd 100644
--- a/src/library/scala/util/parsing/combinator/Parsers.scala
+++ b/src/library/scala/util/parsing/combinator/Parsers.scala
@@ -531,10 +531,6 @@ trait Parsers {
     }
   }
 
-	/*trait ElemFun
-  case class EFCons(hd: Elem => ElemFun, tl: ElemFun) extends ElemFun
-  case class EFNil(res: Boolean) extends ElemFun*/
-
   /** A parser matching input elements that satisfy a given predicate.
    *
    *  `elem(kind, p)` succeeds if the input starts with an element `e` for which `p(e)` is true.
diff --git a/src/partest/scala/tools/partest/nest/Runner.scala b/src/partest/scala/tools/partest/nest/Runner.scala
index a53698eb77..d7d87bdcf5 100644
--- a/src/partest/scala/tools/partest/nest/Runner.scala
+++ b/src/partest/scala/tools/partest/nest/Runner.scala
@@ -772,15 +772,8 @@ trait DirectRunner {
 
   import PartestDefaults.{ numThreads, waitTime }
 
-  Thread.setDefaultUncaughtExceptionHandler(
-    new Thread.UncaughtExceptionHandler {
-      def uncaughtException(thread: Thread, t: Throwable) {
-        val t1 = Exceptional unwrap t
-        System.err.println(s"Uncaught exception on thread $thread: $t1")
-        t1.printStackTrace()
-      }
-    }
-  )
+  setUncaughtHandler
+  
   def runTestsForFiles(kindFiles: List[File], kind: String): List[TestState] = {
 
     NestUI.resetTestNumber(kindFiles.size)
diff --git a/test/files/run/t6331.scala b/test/files/run/t6331.scala
index 5ac627a8ea..d9d46f10ea 100644
--- a/test/files/run/t6331.scala
+++ b/test/files/run/t6331.scala
@@ -1,9 +1,4 @@
-import scala.tools.partest._
-import java.io._
-import scala.tools.nsc._
-import scala.tools.cmd.CommandLineParser
-import scala.tools.nsc.{Global, Settings, CompilerCommand}
-import scala.tools.nsc.reporters.ConsoleReporter
+import scala.tools.partest.DirectTest
 
 // Test of Constant#equals, which must must account for floating point intricacies.
 object Test extends DirectTest {
diff --git a/test/files/run/t6331b.scala b/test/files/run/t6331b.scala
index c567455c5c..3e09965ee8 100644
--- a/test/files/run/t6331b.scala
+++ b/test/files/run/t6331b.scala
@@ -1,12 +1,5 @@
-import scala.tools.partest._
-import java.io._
-import scala.tools.nsc._
-import scala.tools.cmd.CommandLineParser
-import scala.tools.nsc.{Global, Settings, CompilerCommand}
-import scala.tools.nsc.reporters.ConsoleReporter
-
 import scala.tools.partest.trace
-import scala.util.control.Exception._
+import scala.util.control.Exception.allCatch
 
 
 object Test extends App {
diff --git a/test/files/run/t7271.scala b/test/files/run/t7271.scala
index 55c388b7f5..69d5ea377e 100644
--- a/test/files/run/t7271.scala
+++ b/test/files/run/t7271.scala
@@ -1,5 +1,4 @@
 import scala.tools.partest._
-import java.io._
 import scala.tools.nsc._
 import scala.tools.cmd.CommandLineParser
 import scala.tools.nsc.{Global, Settings, CompilerCommand}
-- 
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