adapt tests to new array features

src/test/resources/regression/xlang/error/Array2.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-object Array2 {
-
-  def foo(): Int = {
-    val a = Array.fill(5)(5)
-    val b = a
-    b(3)
-  }
-
-}

src/test/resources/regression/xlang/error/Array3.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-object Array3 {
-
-  def foo(): Int = {
-    val a = Array.fill(5)(5)
-    if(a.length > 2)
-      a(1) = 2
-    else 
-      0
-    0
-  }
-
-}

src/test/resources/regression/xlang/error/Array5.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-object Array5 {
-
-  def foo(a: Array[Int]): Int = {
-    a(2) = 4
-    a(2)
-  }
-
-}
-
-// vim: set ts=4 sw=4 et:

src/test/resources/regression/xlang/error/Array6.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-
-object Array6 {
-
-  def foo(): Int = {
-    val a = Array.fill(5)(5)
-    var b = a
-    b(0)
-  }
-
-}

src/test/resources/regression/xlang/error/Array7.scala

-/* Copyright 2009-2015 EPFL, Lausanne */
-
-object Array7 {
-
-  def foo(): Int = {
-    val a = Array.fill(5)(5)
-    var b = a
-    b(0)
-  }
-
-}

src/test/resources/regression/xlang/error/Array8.scala → src/test/resources/regression/xlang/error/ArrayAliasing6.scala

 /* Copyright 2009-2015 EPFL, Lausanne */
 
-object Array8 {
+object ArrayAliasing6 {
 
   def foo(a: Array[Int]): Array[Int] = {
     a

src/test/resources/regression/xlang/error/Array4.scala → src/test/resources/regression/xlang/error/ArrayAliasing7.scala

 /* Copyright 2009-2015 EPFL, Lausanne */
 
-object Array4 {
+object ArrayAliasing7 {
 
-  def foo(a: Array[Int]): Int = {
+  def foo(a: Array[Int]): Array[Int] = {
     val b = a
-    b(3)
+    b
   }
 
 }

src/test/resources/regression/xlang/error/Array9.scala → src/test/resources/regression/xlang/error/ArrayAliasing8.scala

 /* Copyright 2009-2015 EPFL, Lausanne */
 
-object Array9 {
+object ArrayAliasing8 {
 
   def foo(a: Array[Int]): Int = {
     def rec(): Array[Int] = {

src/test/resources/regression/xlang/error/Array10.scala → src/test/resources/regression/xlang/error/ArrayAliasing9.scala

 /* Copyright 2009-2015 EPFL, Lausanne */
 
-object Array10 {
+object ArrayAliasing9 {
 
   def foo(): Int = {
     val a = Array.fill(5)(0)