facebook/hhvm — pull request #2624 by sinaa (2014-05-07 00:09:00+00:00)
Title: Fixes GD crash on libjpeg call on some images

Fixes #2238 .

GD crashes on `_php_image_create_from` due to missing VMRegAnchor.

With libjpeg compiled without framepointers (optimized build), this results in assertion/crash.

Compiled and tested.