glcpp: Reject token pasting operator in GLES
The GLSL ES 3.0 spec (Section 12.17) says: "GLSL ES 1.00 removed token pasting and other functionality." NOTE: This is a candidate for the stable branches. Reviewed-by:Ian Romanick <ian.d.romanick@intel.com> Reviewed-by:
Carl Worth <cworth@cworth.org>