commit: 4bd1b2c2

Passed: 8/14

# All Passed:
* babel-plugin-transform-arrow-functions


# babel-preset-env (7/11)
* plugins-integration/class-arrow-super-tagged-expr/exec.js
* plugins-integration/issue-15170/exec.js
* sanity/check-es2015-constants/exec.js
* sanity/regex-dot-all/exec.js

# babel-plugin-transform-react-jsx-source (0/2)
* react-source/basic-sample/exec.js
* react-source/with-source/exec.js