Merge branch 'master' of github.com:babel/babel

CONTRIBUTING.md

@@ -32,7 +32,7 @@ $ make test
 ```
 
 This will usually take around two minutes as it's compiling the entire
-[test262](https://github.com/tc39/test262) test suite and validating it's AST.
+[test262](https://github.com/tc39/test262) test suite and validating its AST.
 This is mostly overkill and you can limit the tests to a select few by directly
 running them with `mocha`:
 
@@ -40,6 +40,12 @@ running them with `mocha`:
 $ mocha test/transformation.js
 ```
 
+Use mocha's `--grep` option to run a subset of tests by name:
+
+```sh
+$ mocha test/transformation.js --grep es7
+```
+
 #### Workflow
 
 * Fork the repository

test/fixtures/transformation/es6-spread/this-context/actual.js

@@ -0,0 +1,6 @@
+var obj = {
+  foo: function foo() {
+    this.bar(...arguments)
+    this.blah(...arguments)
+  }
+}

test/fixtures/transformation/es6-spread/this-context/expected.js

@@ -0,0 +1,8 @@
+"use strict";
+
+var obj = {
+  foo: function foo() {
+    this.bar.apply(this, arguments);
+    this.blah.apply(this, arguments);
+  }
+};