KhronosGroup/WebGL — pull request #87 by jbauman2 (2012-11-27 23:43:10+00:00)
Title: Add test to ensure optimized-out struct members don't cause problems.

As seen in http://code.google.com/p/chromium/issues/detail?id=155258 ANGLE had a bug where setting the values for uniforms at the end of a struct that were optimized out could cause other uniforms to be modified.