actually implement continue and break statement support to block binding

test/fixtures/block-binding/for-in-break-multiple/actual.js

@@ -0,0 +1,10 @@
+for (var i in arr) {
+  let val = arr[i];
+
+  for (i in arr) {
+    let val2 = arr[i];
+    break;
+  }
+
+  break;
+}

test/fixtures/block-binding/for-in-break-multiple/expected.js

@@ -0,0 +1,16 @@
+for (var i in arr) {
+  var _break = false;
+  (function () {
+    var val = arr[i];
+    for (i in arr) {
+      var _break2 = false;
+      (function () {
+        var val2 = arr[i];
+        return _break2 = true;
+      }());
+      if (_break2) break;
+    }
+    return _break = true;
+  }());
+  if (_break) break;
+}

test/fixtures/block-binding/for-in-break/actual.js

@@ -1,4 +1,3 @@
-var arr = [1, 2, 3];
 for (let i in arr) {
   let val = arr[i];
   console.log(val * 2);

test/fixtures/block-binding/for-in-break/expected.js

@@ -1,8 +1,4 @@
-var arr = [
-  1,
-  2,
-  3
-];
+
 (function () {
   for (var i in arr) {
     var _break = false;

test/fixtures/block-binding/for-in-continue/actual.js

@@ -1,4 +1,3 @@
-var arr = [1, 2, 3];
 for (let i in arr) {
   let val = arr[i];
   console.log(val * 2);

test/fixtures/block-binding/for-in-continue/expected.js

@@ -1,8 +1,3 @@
-var arr = [
-  1,
-  2,
-  3
-];
 (function () {
   for (var i in arr) {
     (function () {

test/fixtures/block-binding/for-in-multiple/actual.js

@@ -0,0 +1,9 @@
+for (var i in arr) {
+  let val = arr[i];
+  console.log(val * 2);
+
+  for (i in arr) {
+    let x = arr[i];
+    console.log(x * 2);
+  }
+}

test/fixtures/block-binding/for-in-multiple/expected.js

@@ -0,0 +1,12 @@
+for (var i in arr) {
+  (function () {
+    var val = arr[i];
+    console.log(val * 2);
+    for (i in arr) {
+      (function () {
+        var x = arr[i];
+        console.log(x * 2);
+      }());
+    }
+  }());
+}

test/fixtures/block-binding/for-in/actual.js

@@ -1,4 +1,3 @@
-var arr = [1, 2, 3];
 for (let i in arr) {
   let val = arr[i];
   console.log(val * 2);

test/fixtures/block-binding/for-in/expected.js

@@ -1,8 +1,3 @@
-var arr = [
-  1,
-  2,
-  3
-];
 (function () {
   for (var i in arr) {
     (function () {