diff --git a/lib/6to5/transformation/transformers/es6-destructuring.js b/lib/6to5/transformation/transformers/es6-destructuring.js
index 8b1f5ae882..33929faadd 100644
--- a/lib/6to5/transformation/transformers/es6-destructuring.js
+++ b/lib/6to5/transformation/transformers/es6-destructuring.js
@@ -7,7 +7,7 @@ var buildVariableAssign = function (opts, id, init) {
   if (t.isMemberExpression(id)) op = "=";
 
   if (op) {
-    return t.expressionStatement(t.assignmentExpression("=", id, init));
+    return t.expressionStatement(t.assignmentExpression(op, id, init));
   } else {
     return t.variableDeclaration(opts.kind, [
       t.variableDeclarator(id, init)
@@ -95,7 +95,12 @@ var pushArrayPattern = function (opts, nodes, pattern, parentId) {
     }
   }
 
-  var toArray = opts.file.toArray(parentId, !hasSpreadElement && pattern.elements.length);
+  var isLoose = opts.file.isLoose("destructuring");
+  var toArray = parentId;
+
+  if (!isLoose) {
+    toArray = opts.file.toArray(parentId, !hasSpreadElement && pattern.elements.length);
+  }
 
   var _parentId = opts.scope.generateUidBasedOnNode(parentId, opts.file);
   nodes.push(t.variableDeclaration("var", [
@@ -107,12 +112,14 @@ var pushArrayPattern = function (opts, nodes, pattern, parentId) {
     var elem = pattern.elements[i];
     if (!elem) continue;
 
-    i = +i;
-
     var newPatternId;
 
     if (t.isSpreadElement(elem)) {
-      newPatternId = opts.file.toArray(parentId);
+      newPatternId = parentId;
+
+      if (!isLoose) {
+        newPatternId = opts.file.toArray(parentId);
+      }
 
       if (i > 0) {
         newPatternId = t.callExpression(t.memberExpression(newPatternId, t.identifier("slice")), [t.literal(i)]);
diff --git a/lib/6to5/transformation/transformers/es6-spread.js b/lib/6to5/transformation/transformers/es6-spread.js
index 4fa64b5e2b..2b9865fce5 100644
--- a/lib/6to5/transformation/transformers/es6-spread.js
+++ b/lib/6to5/transformation/transformers/es6-spread.js
@@ -2,7 +2,11 @@ var t = require("../../types");
 var _ = require("lodash");
 
 var getSpreadLiteral = function (spread, file) {
-  return file.toArray(spread.argument);
+  if (file.isLoose("spread")) {
+    return spread.argument;
+  } else {
+    return file.toArray(spread.argument);
+  }
 };
 
 var hasSpread = function (nodes) {
@@ -64,7 +68,7 @@ exports.CallExpression = function (node, parent, scope, context, file) {
   node.arguments = [];
 
   var nodes;
-  if (args.length === 1 && args[0].argument.name === 'arguments') {
+  if (args.length === 1 && args[0].argument.name === "arguments") {
     nodes = [args[0].argument];
   } else {
     nodes = build(args, file);
diff --git a/test/fixtures/transformation/es6-destructuring-loose/array/actual.js b/test/fixtures/transformation/es6-destructuring-loose/array/actual.js
new file mode 100644
index 0000000000..10aa8799ed
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/array/actual.js
@@ -0,0 +1 @@
+var [a, [b], [c], d] = ["hello", [", ", "junk"], ["world"]];
diff --git a/test/fixtures/transformation/es6-destructuring-loose/array/expected.js b/test/fixtures/transformation/es6-destructuring-loose/array/expected.js
new file mode 100644
index 0000000000..2b7403faed
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/array/expected.js
@@ -0,0 +1,10 @@
+"use strict";
+
+var _ref = ["hello", [", ", "junk"], ["world"]];
+
+var a = _ref[0];
+var _ref$1 = _ref[1];
+var b = _ref$1[0];
+var _ref$2 = _ref[2];
+var c = _ref$2[0];
+var d = _ref[3];
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/actual.js b/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/actual.js
new file mode 100644
index 0000000000..2ebf93ff16
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/actual.js
@@ -0,0 +1 @@
+console.log([x] = [123]);
diff --git a/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/expected.js b/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/expected.js
new file mode 100644
index 0000000000..b7721a94bf
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/assignment-expression/expected.js
@@ -0,0 +1,4 @@
+"use strict";
+
+var _temp, _temp2;
+console.log((_temp = [123], _temp2 = _temp, x = _temp2[0], _temp));
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/actual.js b/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/actual.js
new file mode 100644
index 0000000000..d14ce7e47d
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/actual.js
@@ -0,0 +1 @@
+[a, b] = f();
diff --git a/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/expected.js b/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/expected.js
new file mode 100644
index 0000000000..e1feb2d7fe
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/assignment-statement/expected.js
@@ -0,0 +1,7 @@
+"use strict";
+
+var _ref = f();
+
+var _ref2 = _ref;
+a = _ref2[0];
+b = _ref2[1];
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/empty/actual.js b/test/fixtures/transformation/es6-destructuring-loose/empty/actual.js
new file mode 100644
index 0000000000..a70e49fdd6
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/empty/actual.js
@@ -0,0 +1 @@
+var [, a, [b], [c], d] = ["foo", "hello", [", ", "junk"], ["world"]];
diff --git a/test/fixtures/transformation/es6-destructuring-loose/empty/expected.js b/test/fixtures/transformation/es6-destructuring-loose/empty/expected.js
new file mode 100644
index 0000000000..1bdbe4fc65
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/empty/expected.js
@@ -0,0 +1,10 @@
+"use strict";
+
+var _ref = ["foo", "hello", [", ", "junk"], ["world"]];
+
+var a = _ref[1];
+var _ref$2 = _ref[2];
+var b = _ref$2[0];
+var _ref$3 = _ref[3];
+var c = _ref$3[0];
+var d = _ref[4];
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/actual.js b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/actual.js
new file mode 100644
index 0000000000..b4877d6e45
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/actual.js
@@ -0,0 +1,3 @@
+var { ...x } = z;
+var { x, ...y } = z;
+(function({ x, ...y }) { })
diff --git a/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/expected.js b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/expected.js
new file mode 100644
index 0000000000..dbb29cb23d
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/expected.js
@@ -0,0 +1,23 @@
+"use strict";
+
+var _objectWithoutProperties = function (obj, keys) {
+  var target = {};
+
+  for (var i in obj) {
+    if (keys.indexOf(i) >= 0) continue;
+    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
+    target[i] = obj[i];
+  }
+
+  return target;
+};
+
+var x = _objectWithoutProperties(z, []);
+
+var x = z.x;
+var y = _objectWithoutProperties(z, ["x"]);
+
+(function (_ref) {
+  var x = _ref.x;
+  var y = _objectWithoutProperties(_ref, ["x"]);
+});
diff --git a/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/options.json b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/options.json
new file mode 100644
index 0000000000..252f473a73
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/es7-object-rest/options.json
@@ -0,0 +1,3 @@
+{
+  "experimental": true
+}
diff --git a/test/fixtures/transformation/es6-destructuring-loose/for-in/actual.js b/test/fixtures/transformation/es6-destructuring-loose/for-in/actual.js
new file mode 100644
index 0000000000..87fe7e7dde
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/for-in/actual.js
@@ -0,0 +1,3 @@
+for (var [name, value] in obj) {
+  print("Name: " + name + ", Value: " + value);
+}
diff --git a/test/fixtures/transformation/es6-destructuring-loose/for-in/expected.js b/test/fixtures/transformation/es6-destructuring-loose/for-in/expected.js
new file mode 100644
index 0000000000..787fa1df42
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/for-in/expected.js
@@ -0,0 +1,8 @@
+"use strict";
+
+for (var _ref in obj) {
+  var _ref2 = _ref;
+  var name = _ref2[0];
+  var value = _ref2[1];
+  print("Name: " + name + ", Value: " + value);
+}
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/for-of/actual.js b/test/fixtures/transformation/es6-destructuring-loose/for-of/actual.js
new file mode 100644
index 0000000000..5873553d65
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/for-of/actual.js
@@ -0,0 +1,3 @@
+for (var [ name, before, after ] of this.test.expectation.registers) {
+
+}
diff --git a/test/fixtures/transformation/es6-destructuring-loose/for-of/expected.js b/test/fixtures/transformation/es6-destructuring-loose/for-of/expected.js
new file mode 100644
index 0000000000..314c03654c
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/for-of/expected.js
@@ -0,0 +1,9 @@
+"use strict";
+
+for (var _iterator = this.test.expectation.registers[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+  var _ref = _step.value;
+  var _ref2 = _ref;
+  var name = _ref2[0];
+  var before = _ref2[1];
+  var after = _ref2[2];
+}
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/member-expression/actual.js b/test/fixtures/transformation/es6-destructuring-loose/member-expression/actual.js
new file mode 100644
index 0000000000..bd5e42d7d1
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/member-expression/actual.js
@@ -0,0 +1 @@
+[this.foo, this.bar] = [1, 2];
diff --git a/test/fixtures/transformation/es6-destructuring-loose/member-expression/expected.js b/test/fixtures/transformation/es6-destructuring-loose/member-expression/expected.js
new file mode 100644
index 0000000000..7e7353b88f
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/member-expression/expected.js
@@ -0,0 +1,7 @@
+"use strict";
+
+var _ref = [1, 2];
+
+var _ref2 = _ref;
+this.foo = _ref2[0];
+this.bar = _ref2[1];
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/mixed/actual.js b/test/fixtures/transformation/es6-destructuring-loose/mixed/actual.js
new file mode 100644
index 0000000000..79ac2cb22f
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/mixed/actual.js
@@ -0,0 +1 @@
+var {topLeft: [x1, y1], bottomRight: [x2, y2] } = rect;
diff --git a/test/fixtures/transformation/es6-destructuring-loose/mixed/expected.js b/test/fixtures/transformation/es6-destructuring-loose/mixed/expected.js
new file mode 100644
index 0000000000..7f44ca9a37
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/mixed/expected.js
@@ -0,0 +1,8 @@
+"use strict";
+
+var _rect$topLeft = rect.topLeft;
+var x1 = _rect$topLeft[0];
+var y1 = _rect$topLeft[1];
+var _rect$bottomRight = rect.bottomRight;
+var x2 = _rect$bottomRight[0];
+var y2 = _rect$bottomRight[1];
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-destructuring-loose/multiple/actual.js b/test/fixtures/transformation/es6-destructuring-loose/multiple/actual.js
new file mode 100644
index 0000000000..09249c483c
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/multiple/actual.js
@@ -0,0 +1,2 @@
+var { x, y } = coords,
+    foo = "bar";
diff --git a/test/fixtures/transformation/es6-destructuring-loose/multiple/expected.js b/test/fixtures/transformation/es6-destructuring-loose/multiple/expected.js
new file mode 100644
index 0000000000..c782335937
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/multiple/expected.js
@@ -0,0 +1,5 @@
+"use strict";
+
+var x = coords.x;
+var y = coords.y;
+var foo = "bar";
diff --git a/test/fixtures/transformation/es6-destructuring-loose/object-advanced/actual.js b/test/fixtures/transformation/es6-destructuring-loose/object-advanced/actual.js
new file mode 100644
index 0000000000..c4b85492cf
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/object-advanced/actual.js
@@ -0,0 +1 @@
+var {topLeft: {x: x1, y: y1}, bottomRight: {x: x2, y: y2}} = rect;
diff --git a/test/fixtures/transformation/es6-destructuring-loose/object-advanced/expected.js b/test/fixtures/transformation/es6-destructuring-loose/object-advanced/expected.js
new file mode 100644
index 0000000000..d3ee04ea05
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/object-advanced/expected.js
@@ -0,0 +1,6 @@
+"use strict";
+
+var x1 = rect.topLeft.x;
+var y1 = rect.topLeft.y;
+var x2 = rect.bottomRight.x;
+var y2 = rect.bottomRight.y;
diff --git a/test/fixtures/transformation/es6-destructuring-loose/object-basic/actual.js b/test/fixtures/transformation/es6-destructuring-loose/object-basic/actual.js
new file mode 100644
index 0000000000..dae014575e
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/object-basic/actual.js
@@ -0,0 +1 @@
+var { x, y } = coords;
diff --git a/test/fixtures/transformation/es6-destructuring-loose/object-basic/expected.js b/test/fixtures/transformation/es6-destructuring-loose/object-basic/expected.js
new file mode 100644
index 0000000000..97601e8b4e
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/object-basic/expected.js
@@ -0,0 +1,4 @@
+"use strict";
+
+var x = coords.x;
+var y = coords.y;
diff --git a/test/fixtures/transformation/es6-destructuring-loose/options.json b/test/fixtures/transformation/es6-destructuring-loose/options.json
new file mode 100644
index 0000000000..77a73984e1
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/options.json
@@ -0,0 +1,3 @@
+{
+  "loose": ["destructuring"]
+}
diff --git a/test/fixtures/transformation/es6-destructuring-loose/parameters/actual.js b/test/fixtures/transformation/es6-destructuring-loose/parameters/actual.js
new file mode 100644
index 0000000000..896a7ce416
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/parameters/actual.js
@@ -0,0 +1,15 @@
+function somethingAdvanced({topLeft: {x: x1, y: y1}, bottomRight: {x: x2, y: y2}}){
+
+}
+
+function unpackObject({title: title, author: author}) {
+  return title + ' ' + author;
+}
+
+console.log(unpackObject({title: 'title', author: 'author'}));
+
+var unpackArray = function ([a, b, c], [x, y, z]) {
+  return a+b+c;
+};
+
+console.log(unpackArray(['hello', ', ', 'world'], [1, 2, 3]));
diff --git a/test/fixtures/transformation/es6-destructuring-loose/parameters/expected.js b/test/fixtures/transformation/es6-destructuring-loose/parameters/expected.js
new file mode 100644
index 0000000000..3fd491d5b0
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/parameters/expected.js
@@ -0,0 +1,30 @@
+"use strict";
+
+function somethingAdvanced(_ref) {
+  var x1 = _ref.topLeft.x;
+  var y1 = _ref.topLeft.y;
+  var x2 = _ref.bottomRight.x;
+  var y2 = _ref.bottomRight.y;
+}
+
+function unpackObject(_ref2) {
+  var title = _ref2.title;
+  var author = _ref2.author;
+  return title + " " + author;
+}
+
+console.log(unpackObject({ title: "title", author: "author" }));
+
+var unpackArray = function (_ref3, _ref4) {
+  var _ref32 = _ref3;
+  var a = _ref32[0];
+  var b = _ref32[1];
+  var c = _ref32[2];
+  var _ref42 = _ref4;
+  var x = _ref42[0];
+  var y = _ref42[1];
+  var z = _ref42[2];
+  return a + b + c;
+};
+
+console.log(unpackArray(["hello", ", ", "world"], [1, 2, 3]));
diff --git a/test/fixtures/transformation/es6-destructuring-loose/spread/actual.js b/test/fixtures/transformation/es6-destructuring-loose/spread/actual.js
new file mode 100644
index 0000000000..0ef8f028ed
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/spread/actual.js
@@ -0,0 +1,5 @@
+var isSorted = ([x, y, ...wow]) => {
+  if (!zs.length) return true
+  if (y > x) return isSorted(zs)
+  return false
+};
diff --git a/test/fixtures/transformation/es6-destructuring-loose/spread/expected.js b/test/fixtures/transformation/es6-destructuring-loose/spread/expected.js
new file mode 100644
index 0000000000..03400c9581
--- /dev/null
+++ b/test/fixtures/transformation/es6-destructuring-loose/spread/expected.js
@@ -0,0 +1,12 @@
+"use strict";
+
+var isSorted = function (_ref) {
+  var _ref2 = _ref;
+  var x = _ref2[0];
+  var y = _ref2[1];
+  var wow = _ref2.slice(2);
+
+  if (!zs.length) return true;
+  if (y > x) return isSorted(zs);
+  return false;
+};
diff --git a/test/fixtures/transformation/es6-destructuring/parameters/expected.js b/test/fixtures/transformation/es6-destructuring/parameters/expected.js
index a6a1d3dfe6..830eb15edc 100644
--- a/test/fixtures/transformation/es6-destructuring/parameters/expected.js
+++ b/test/fixtures/transformation/es6-destructuring/parameters/expected.js
@@ -32,16 +32,16 @@ function unpackObject(_ref2) {
 console.log(unpackObject({ title: "title", author: "author" }));
 
 var unpackArray = function (_ref3, _ref4) {
-  var _ref3 = _slicedToArray(_ref3, 3);
+  var _ref32 = _slicedToArray(_ref3, 3);
 
-  var a = _ref3[0];
-  var b = _ref3[1];
-  var c = _ref3[2];
-  var _ref4 = _slicedToArray(_ref4, 3);
+  var a = _ref32[0];
+  var b = _ref32[1];
+  var c = _ref32[2];
+  var _ref42 = _slicedToArray(_ref4, 3);
 
-  var x = _ref4[0];
-  var y = _ref4[1];
-  var z = _ref4[2];
+  var x = _ref42[0];
+  var y = _ref42[1];
+  var z = _ref42[2];
   return a + b + c;
 };
 
diff --git a/test/fixtures/transformation/es6-let-scoping/exec-block-scoped-2/exec.js b/test/fixtures/transformation/es6-let-scoping/exec-block-scoped-2/exec.js
new file mode 100644
index 0000000000..e98bf47f5e
--- /dev/null
+++ b/test/fixtures/transformation/es6-let-scoping/exec-block-scoped-2/exec.js
@@ -0,0 +1,12 @@
+assert.equal(() => {
+  let sum = 0;
+  let a = 0;
+  {
+    let a = 10;
+    for (let i = 0; i < a; i++) {
+      let a = 1;
+      sum += (() => a)();
+    }
+  }
+  return sum;
+}(), 10);
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments-array/actual.js b/test/fixtures/transformation/es6-spread-loose/arguments-array/actual.js
new file mode 100644
index 0000000000..e18c362b1b
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments-array/actual.js
@@ -0,0 +1,9 @@
+function foo() {
+  return bar([...arguments]);
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments-array/expected.js b/test/fixtures/transformation/es6-spread-loose/arguments-array/expected.js
new file mode 100644
index 0000000000..92e9e6ff46
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments-array/expected.js
@@ -0,0 +1,11 @@
+"use strict";
+
+function foo() {
+  return bar([].concat(arguments));
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments-concat/actual.js b/test/fixtures/transformation/es6-spread-loose/arguments-concat/actual.js
new file mode 100644
index 0000000000..a6fdb21bef
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments-concat/actual.js
@@ -0,0 +1,9 @@
+function foo() {
+  return bar("test", ...arguments);
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments-concat/expected.js b/test/fixtures/transformation/es6-spread-loose/arguments-concat/expected.js
new file mode 100644
index 0000000000..b0bbaef08f
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments-concat/expected.js
@@ -0,0 +1,11 @@
+"use strict";
+
+function foo() {
+  return bar.apply(undefined, ["test"].concat(arguments));
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments/actual.js b/test/fixtures/transformation/es6-spread-loose/arguments/actual.js
new file mode 100644
index 0000000000..476da431e8
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments/actual.js
@@ -0,0 +1,9 @@
+function foo() {
+  return bar(...arguments);
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
diff --git a/test/fixtures/transformation/es6-spread-loose/arguments/expected.js b/test/fixtures/transformation/es6-spread-loose/arguments/expected.js
new file mode 100644
index 0000000000..52a18f07e7
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/arguments/expected.js
@@ -0,0 +1,11 @@
+"use strict";
+
+function foo() {
+  return bar.apply(undefined, arguments);
+}
+
+function bar(one, two, three) {
+  return [one, two, three];
+}
+
+foo("foo", "bar");
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-first/actual.js b/test/fixtures/transformation/es6-spread-loose/array-literal-first/actual.js
new file mode 100644
index 0000000000..3857ab97d4
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-first/actual.js
@@ -0,0 +1 @@
+var lyrics = [...parts, "head", "and", "toes"];
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-first/expected.js b/test/fixtures/transformation/es6-spread-loose/array-literal-first/expected.js
new file mode 100644
index 0000000000..3d1401d537
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-first/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+var lyrics = [].concat(parts, ["head", "and", "toes"]);
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-middle/actual.js b/test/fixtures/transformation/es6-spread-loose/array-literal-middle/actual.js
new file mode 100644
index 0000000000..9b354ad7cf
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-middle/actual.js
@@ -0,0 +1 @@
+var a = [b, ...c, d];
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-middle/expected.js b/test/fixtures/transformation/es6-spread-loose/array-literal-middle/expected.js
new file mode 100644
index 0000000000..cc40455aeb
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-middle/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+var a = [b].concat(c, [d]);
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/actual.js b/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/actual.js
new file mode 100644
index 0000000000..e65edc597a
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/actual.js
@@ -0,0 +1 @@
+var a = [b, ...c, d, e, ...f];
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/expected.js b/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/expected.js
new file mode 100644
index 0000000000..5b55e67414
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literal-multiple/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+var a = [b].concat(c, [d, e], f);
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literals/actual.js b/test/fixtures/transformation/es6-spread-loose/array-literals/actual.js
new file mode 100644
index 0000000000..5ebb80da66
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literals/actual.js
@@ -0,0 +1 @@
+var lyrics = ["head", "and", "toes", ...parts];
diff --git a/test/fixtures/transformation/es6-spread-loose/array-literals/expected.js b/test/fixtures/transformation/es6-spread-loose/array-literals/expected.js
new file mode 100644
index 0000000000..4b402a9818
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/array-literals/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+var lyrics = ["head", "and", "toes"].concat(parts);
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/actual.js b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/actual.js
new file mode 100644
index 0000000000..305586e2a6
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/actual.js
@@ -0,0 +1 @@
+obj[method](foo, bar, ...args);
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/expected.js b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/expected.js
new file mode 100644
index 0000000000..6303149d3c
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-multiple-args/expected.js
@@ -0,0 +1,4 @@
+"use strict";
+
+var _obj;
+(_obj = obj)[method].apply(_obj, [foo, bar].concat(args));
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/actual.js b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/actual.js
new file mode 100644
index 0000000000..65a21cba1e
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/actual.js
@@ -0,0 +1 @@
+obj[method](...args);
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/expected.js b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/expected.js
new file mode 100644
index 0000000000..786a1efbd7
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-computed-method-call-single-arg/expected.js
@@ -0,0 +1,4 @@
+"use strict";
+
+var _obj;
+(_obj = obj)[method].apply(_obj, args);
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/actual.js b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/actual.js
new file mode 100644
index 0000000000..7dc7d142a1
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/actual.js
@@ -0,0 +1,2 @@
+foob.add(foo, bar, ...numbers);
+foob.test.add(foo, bar, ...numbers);
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/expected.js b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/expected.js
new file mode 100644
index 0000000000..5c9d6466ef
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-multiple-args/expected.js
@@ -0,0 +1,5 @@
+"use strict";
+
+var _foob, _foob$test;
+(_foob = foob).add.apply(_foob, [foo, bar].concat(numbers));
+(_foob$test = foob.test).add.apply(_foob$test, [foo, bar].concat(numbers));
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/actual.js b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/actual.js
new file mode 100644
index 0000000000..ef061e17a8
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/actual.js
@@ -0,0 +1,2 @@
+foob.add(...numbers);
+foob.test.add(...numbers);
diff --git a/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/expected.js b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/expected.js
new file mode 100644
index 0000000000..f03c36ac76
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/contexted-method-call-single-arg/expected.js
@@ -0,0 +1,5 @@
+"use strict";
+
+var _foob, _foob$test;
+(_foob = foob).add.apply(_foob, numbers);
+(_foob$test = foob.test).add.apply(_foob$test, numbers);
\ No newline at end of file
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/actual.js
new file mode 100644
index 0000000000..2d1a0bb716
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/actual.js
@@ -0,0 +1 @@
+f(...[1, 2, 3]);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/expected.js
new file mode 100644
index 0000000000..a370047756
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-array-literal/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+f.apply(undefined, [1, 2, 3]);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-first/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-first/actual.js
new file mode 100644
index 0000000000..0d63c0ea63
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-first/actual.js
@@ -0,0 +1 @@
+add(...numbers, foo, bar);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-first/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-first/expected.js
new file mode 100644
index 0000000000..4700d54131
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-first/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+add.apply(undefined, numbers.concat([foo, bar]));
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-middle/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-middle/actual.js
new file mode 100644
index 0000000000..b04a3f0223
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-middle/actual.js
@@ -0,0 +1 @@
+add(foo, ...numbers, bar);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-middle/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-middle/expected.js
new file mode 100644
index 0000000000..74f6a108ac
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-middle/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+add.apply(undefined, [foo].concat(numbers, [bar]));
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/actual.js
new file mode 100644
index 0000000000..0a2421b7b4
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/actual.js
@@ -0,0 +1 @@
+add(foo, bar, ...numbers);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/expected.js
new file mode 100644
index 0000000000..e543eca3db
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-multiple-args/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+add.apply(undefined, [foo, bar].concat(numbers));
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-multiple/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-multiple/actual.js
new file mode 100644
index 0000000000..c06ed01cfb
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-multiple/actual.js
@@ -0,0 +1 @@
+add(foo, ...numbers, bar, what, ...test);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-multiple/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-multiple/expected.js
new file mode 100644
index 0000000000..046ac08426
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-multiple/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+add.apply(undefined, [foo].concat(numbers, [bar, what], test));
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/actual.js b/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/actual.js
new file mode 100644
index 0000000000..a24aa1b09c
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/actual.js
@@ -0,0 +1 @@
+add(...numbers);
diff --git a/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/expected.js b/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/expected.js
new file mode 100644
index 0000000000..ef2f902647
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/method-call-single-arg/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+add.apply(undefined, numbers);
diff --git a/test/fixtures/transformation/es6-spread-loose/new-expression/actual.js b/test/fixtures/transformation/es6-spread-loose/new-expression/actual.js
new file mode 100644
index 0000000000..72800dd42b
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/new-expression/actual.js
@@ -0,0 +1,2 @@
+new Numbers(...nums);
+new Numbers(1, ...nums);
diff --git a/test/fixtures/transformation/es6-spread-loose/new-expression/expected.js b/test/fixtures/transformation/es6-spread-loose/new-expression/expected.js
new file mode 100644
index 0000000000..5677c95bec
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/new-expression/expected.js
@@ -0,0 +1,12 @@
+"use strict";
+
+var _applyConstructor = function (Constructor, args) {
+  var instance = Object.create(Constructor.prototype);
+
+  var result = Constructor.apply(instance, args);
+
+  return result != null && (typeof result == "object" || typeof result == "function") ? result : instance;
+};
+
+_applyConstructor(Numbers, nums);
+_applyConstructor(Numbers, [1].concat(nums));
diff --git a/test/fixtures/transformation/es6-spread-loose/options.json b/test/fixtures/transformation/es6-spread-loose/options.json
new file mode 100644
index 0000000000..536a7d71d2
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/options.json
@@ -0,0 +1,3 @@
+{
+  "loose": "spread"
+}
diff --git a/test/fixtures/transformation/es6-spread-loose/single/actual.js b/test/fixtures/transformation/es6-spread-loose/single/actual.js
new file mode 100644
index 0000000000..6541257708
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/single/actual.js
@@ -0,0 +1 @@
+[...foo];
diff --git a/test/fixtures/transformation/es6-spread-loose/single/expected.js b/test/fixtures/transformation/es6-spread-loose/single/expected.js
new file mode 100644
index 0000000000..0d7e55ac18
--- /dev/null
+++ b/test/fixtures/transformation/es6-spread-loose/single/expected.js
@@ -0,0 +1,3 @@
+"use strict";
+
+[].concat(foo);
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/arguments/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/arguments/actual.js
new file mode 100644
index 0000000000..95f9a4df57
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/arguments/actual.js
@@ -0,0 +1,5 @@
+function add() {
+  return [for (i of [1, 2, 3]) i * arguments[0]];
+}
+
+add(5);
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/arguments/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/arguments/expected.js
new file mode 100644
index 0000000000..39115d87d3
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/arguments/expected.js
@@ -0,0 +1,17 @@
+"use strict";
+
+function add() {
+  var _arguments = arguments;
+  return (function () {
+    var _ref = [];
+
+    for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+      var i = _step.value;
+      _ref.push(i * _arguments[0]);
+    }
+
+    return _ref;
+  })();
+}
+
+add(5);
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/actual.js
new file mode 100644
index 0000000000..4882336b9f
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/actual.js
@@ -0,0 +1 @@
+var arr = [for (i of [1, 2, 3]) if (i > 1) i * i];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/expected.js
new file mode 100644
index 0000000000..0f3f625138
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single-if/expected.js
@@ -0,0 +1,14 @@
+"use strict";
+
+var arr = (function () {
+  var _arr = [];
+
+  for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var i = _step.value;
+    if (i > 1) {
+      _arr.push(i * i);
+    }
+  }
+
+  return _arr;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/actual.js
new file mode 100644
index 0000000000..2087ae351b
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/actual.js
@@ -0,0 +1 @@
+var arr = [for (i of [1, 2, 3]) i * i];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/expected.js
new file mode 100644
index 0000000000..c3ae8d9432
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/array-expression-single/expected.js
@@ -0,0 +1,12 @@
+"use strict";
+
+var arr = (function () {
+  var _arr = [];
+
+  for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var i = _step.value;
+    _arr.push(i * i);
+  }
+
+  return _arr;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/actual.js
new file mode 100644
index 0000000000..754bb7e894
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/actual.js
@@ -0,0 +1 @@
+var seattlers = [for (customers of countries) for (c of customers) if (c.city == "Seattle") { name: c.name, age: c.age }];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/expected.js
new file mode 100644
index 0000000000..6b486b45f5
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/multiple-if/expected.js
@@ -0,0 +1,17 @@
+"use strict";
+
+var seattlers = (function () {
+  var _seattlers = [];
+
+  for (var _iterator = countries[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var customers = _step.value;
+    for (var _iterator2 = customers[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
+      var c = _step2.value;
+      if (c.city == "Seattle") {
+        _seattlers.push({ name: c.name, age: c.age });
+      }
+    }
+  }
+
+  return _seattlers;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/multiple/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/multiple/actual.js
new file mode 100644
index 0000000000..f0aaa63c27
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/multiple/actual.js
@@ -0,0 +1 @@
+var arr = [for (x of "abcdefgh".split("")) for (y of "12345678".split("")) x + y];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/multiple/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/multiple/expected.js
new file mode 100644
index 0000000000..05f2c6e76d
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/multiple/expected.js
@@ -0,0 +1,15 @@
+"use strict";
+
+var arr = (function () {
+  var _arr = [];
+
+  for (var _iterator = "abcdefgh".split("")[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var x = _step.value;
+    for (var _iterator2 = "12345678".split("")[Symbol.iterator](), _step2; !(_step2 = _iterator2.next()).done;) {
+      var y = _step2.value;
+      _arr.push(x + y);
+    }
+  }
+
+  return _arr;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/options.json b/test/fixtures/transformation/es7-array-comprehension-loose/options.json
new file mode 100644
index 0000000000..6e5e1c6b65
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/options.json
@@ -0,0 +1,4 @@
+{
+  "experimental": true,
+  "loose": "arrayComprehension"
+}
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/single-if/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/single-if/actual.js
new file mode 100644
index 0000000000..e2cf129386
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/single-if/actual.js
@@ -0,0 +1 @@
+var arr = [for (i of nums) if (i > 1) i * i];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/single-if/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/single-if/expected.js
new file mode 100644
index 0000000000..6e95f9cadc
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/single-if/expected.js
@@ -0,0 +1,14 @@
+"use strict";
+
+var arr = (function () {
+  var _arr = [];
+
+  for (var _iterator = nums[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var i = _step.value;
+    if (i > 1) {
+      _arr.push(i * i);
+    }
+  }
+
+  return _arr;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/single/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/single/actual.js
new file mode 100644
index 0000000000..9dda19048b
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/single/actual.js
@@ -0,0 +1 @@
+var arr = [for (i of nums) i * i];
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/single/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/single/expected.js
new file mode 100644
index 0000000000..88e01e350a
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/single/expected.js
@@ -0,0 +1,12 @@
+"use strict";
+
+var arr = (function () {
+  var _arr = [];
+
+  for (var _iterator = nums[Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+    var i = _step.value;
+    _arr.push(i * i);
+  }
+
+  return _arr;
+})();
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/this/actual.js b/test/fixtures/transformation/es7-array-comprehension-loose/this/actual.js
new file mode 100644
index 0000000000..355ed48188
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/this/actual.js
@@ -0,0 +1,5 @@
+function add() {
+  return [for (i of [1, 2, 3]) i * this.multiplier];
+}
+
+add.call({ multiplier: 5 });
diff --git a/test/fixtures/transformation/es7-array-comprehension-loose/this/expected.js b/test/fixtures/transformation/es7-array-comprehension-loose/this/expected.js
new file mode 100644
index 0000000000..5645b53dcc
--- /dev/null
+++ b/test/fixtures/transformation/es7-array-comprehension-loose/this/expected.js
@@ -0,0 +1,17 @@
+"use strict";
+
+function add() {
+  var _this = this;
+  return (function () {
+    var _ref = [];
+
+    for (var _iterator = [1, 2, 3][Symbol.iterator](), _step; !(_step = _iterator.next()).done;) {
+      var i = _step.value;
+      _ref.push(i * _this.multiplier);
+    }
+
+    return _ref;
+  })();
+}
+
+add.call({ multiplier: 5 });
diff --git a/test/fixtures/transformation/es7-generator-comprehension-loose/options.json b/test/fixtures/transformation/es7-generator-comprehension-loose/options.json
new file mode 100644
index 0000000000..4fdef2f3ff
--- /dev/null
+++ b/test/fixtures/transformation/es7-generator-comprehension-loose/options.json
@@ -0,0 +1,4 @@
+{
+  "experimental": true,
+  "loose": "generatorComprehension"
+}
diff --git a/test/fixtures/transformation/es7-generator-comprehension-loose/simple/exec.js b/test/fixtures/transformation/es7-generator-comprehension-loose/simple/exec.js
new file mode 100644
index 0000000000..dd7ef4da0a
--- /dev/null
+++ b/test/fixtures/transformation/es7-generator-comprehension-loose/simple/exec.js
@@ -0,0 +1,6 @@
+var nums = [1, 2, 3, 4, 5, 6];
+var multiples = (for (i of nums) if (i % 2) i * i);
+assert.equal(multiples.next().value, 1);
+assert.equal(multiples.next().value, 9);
+assert.equal(multiples.next().value, 25);
+assert.ok(multiples.next().done);