GreatSyntacticShift: Syntax for function types, function literals, when and tuples

Bug:
fun loop(var times : Int) {
   while(times > 0) {
        val u : (value : Int) -> Unit = { // This arrow is confusing the lookahead
            System.out?.println(it)
        }
        u(times--)
   }
}

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt609.jet

@@ -1,6 +1,6 @@
 //KT-609 Analyze not only local variables, but function parameters as well in 'unused values' analysis
 
-namespace kt609
+package kt609
 
 fun test(var a: Int) {
     a = <!UNUSED_VALUE!>324<!> //should be an 'unused value' warning here