Remove "Iterator.iterator()" intrinsic, add stdlib function

js/js.tests/test/org/jetbrains/k2js/test/semantics/MiscTest.java

@@ -186,17 +186,7 @@ public final class MiscTest extends AbstractExpressionTest {
         fooBoxTest();
     }
 
-    public void testIterableExtension() throws Exception {
-        fooBoxTest();
-    }
-
-    public void testIterationOverIterator() throws Exception {
-        fooBoxTest();
-    }
-
     public void testStringInterpolationEvaluationOrder() throws Exception {
         fooBoxTest();
     }
-
-
 }

js/js.translator/testFiles/expression/misc/cases/iterableExtension.kt

@@ -1,21 +0,0 @@
-package foo
-
-import java.util.*
-import java.lang.*
-
-public inline fun <T, C: MutableCollection<in T>> Iterator<T>.takeWhileTo(result: C, predicate: (T) -> Boolean) : C {
-    for (element in this) if (predicate(element)) result.add(element) else break
-    return result
-}
-
-fun box(): Any? {
-    val c = ArrayList<Int>()
-    for (i in 0..5) {
-        c.add(i)
-    }
-
-    val d = ArrayList<Int>()
-
-    c.iterator().takeWhileTo(d, {i -> i < 4 })
-    return d.size() == 4
-}

js/js.translator/testFiles/expression/misc/cases/iterationOverIterator.kt

@@ -1,18 +0,0 @@
-package foo
-
-
-import java.util.*
-
-fun box(): Boolean {
-    val c = ArrayList<Int>()
-    for (i in 0..5) {
-        c.add(i)
-    }
-
-    var s = ""
-    for (i in c.iterator()) {
-        s = s + i.toString()
-    }
-
-    return s == "012345"
-}