Magento on HHVM is nearing stability and I need your help! Fixing bugs for me currently consists of running Magento on HHVM, observing a problem, debugging Magento to come up with a ~5 line -pure php- reproduction, and the debugging HHVM.

If you find any spare time, please:
1) Clone my repository (simplexml-refactor branch): https://github.com/danslo/hhvm/tree/simplexml-refactor
2) Build it: https://github.com/facebook/hhvm/wiki#building-hhvm
3) Run Magento on it with this config file: https://github.com/danslo/hhvm/wiki/Magento-config.hdf
4) Go crazy, try to break it!
5) If (when) you break it, debug Magento until you can come up with a short testcase that behaves differently in PHP than it does in HHVM.
6) Tell me to fix it.

Thanks a lot!

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