Make tests for locality of unique indices not depend on order

tests/run/i2738.check

@@ -1,8 +1,4 @@
-foo
-bar$2
-foo
-bar$1
-baz
 Test$qux$1$
-baz
 Test$qux$2$
+bar$1
+bar$2

tests/run/i2738.scala

@@ -1,49 +1,34 @@
 object Test {
 
   def main(args: Array[String]): Unit = {
-    foo(1)
-    foo("a")
-    baz(2)
-    baz("b")
+    List(foo(1), foo("a"), baz(2), baz("b")).sorted.foreach(println)
   }
 
   def foo[X <: Int](x: X) = {
-    def bar = printlnThisMethodName()
-    printlnThisMethodName()
+    def bar = thisMethodName()
     bar
   }
 
   def foo(x: String) = {
-    def bar = printlnThisMethodName()
-    printlnThisMethodName()
+    def bar = thisMethodName()
     bar
   }
 
   def baz[X <: Int](x: X) = {
     object qux {
-      override def toString() = {
-        printlnThisMethodsClassName()
-        "a"
-      }
+      override def toString() = thisMethodsClassName()
     }
-    printlnThisMethodName()
     qux.toString()
   }
 
   def baz(x: String) = {
     object qux {
-      override def toString() = {
-        printlnThisMethodsClassName()
-        "b"
-      }
+      override def toString() = thisMethodsClassName()
     }
-    printlnThisMethodName()
     qux.toString()
   }
 
-  def printlnThisMethodName() =
-    println(Thread.currentThread().getStackTrace()(2).getMethodName)
+  def thisMethodName() = Thread.currentThread().getStackTrace()(2).getMethodName
 
-  def printlnThisMethodsClassName() =
-    println(Thread.currentThread().getStackTrace()(2).getClassName)
+  def thisMethodsClassName() = Thread.currentThread().getStackTrace()(2).getClassName
 }

tests/run/i3006.check

@@ -1,5 +1,5 @@
-f$3
-f$2
 f$1
 f$2
+f$3
 f$1
+f$2

tests/run/i3006.scala

@@ -1,35 +1,32 @@
 class Foo {
   def foo() = {
-    def f() = println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
+    def f() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     f()
   }
   def bar() = {
-    def f() = println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
+    def f() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     f()
   }
   def baz() = {
-    def f() = println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
+    def f() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     f()
   }
 }
 
 class Bar {
   def foo() = {
-    def f() = println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
+    def f() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     f()
   }
   def bar() = {
-    def f() = println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
+    def f() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     f()
   }
 }
 
 object Test {
   def main(args: Array[String]): Unit = {
-    new Foo().foo()
-    new Foo().bar()
-    new Foo().baz()
-    new Bar().foo()
-    new Bar().bar()
+    List(new Foo().foo(), new Foo().bar(), new Foo().baz()).sorted.foreach(println)
+    List(new Bar().foo(), new Bar().bar()).sorted.foreach(println)
   }
 }

tests/run/i3006b.check

@@ -1,3 +1,3 @@
-Foo$$init$$$bar$2
 Foo$$init$$$bar$1
+Foo$$init$$$bar$2
 Bar$$init$$$bar$1

tests/run/i3006b.scala

@@ -1,35 +1,26 @@
-class Foo(i: Int) {
+class Foo(val x: String) {
+
   def this() = this({
-    def bar() = {
-      println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
-      5
-    }
+    def bar() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     bar()
   })
 
-  def this(i: String) = this({
-    def bar() = {
-      println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
-      5
-    }
+  def this(i: Int) = this({
+    def bar() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     bar()
   })
 }
 
-class Bar(i: Int) {
+class Bar(val x: String) {
   def this() = this({
-    def bar() = {
-      println(Thread.currentThread.getStackTrace.apply(1).getMethodName)
-      5
-    }
+    def bar() = Thread.currentThread.getStackTrace.apply(1).getMethodName
     bar()
   })
 }
 
 object Test {
   def main(args: Array[String]): Unit = {
-    new Foo()
-    new Foo("")
-    new Bar()
+    List(new Foo().x, new Foo(2).x).sorted.foreach(println)
+    println(new Bar().x)
   }
 }