KhronosGroup/WebGL — pull request #651 by jamiemadill (2014-08-04 14:17:15+00:00)
Title: Add tests for GLSL's invariant keyword.

An ANGLE bug was triggering some ASSERTs in Debug mode, and also
some shader link failures.

See ANGLE issue:

https://code.google.com/p/angleproject/issues/detail?id=711