KhronosGroup/WebGL — pull request #388 by Oletus (2013-10-02 11:40:15+00:00)
Title: Add a GLSL test that compares a loop index to an uniform

Comparing a loop index to an uniform is useful in WebGL GLSL shaders,
since it can be used to work around the lack of while loops. Add a test
for this. The test is known to have failed on at least some older NVIDIA
Tegra drivers.