[Piglit] [PATCH] glsl-1.20: add test to tickle copy propagation bug in st/mesa

[Dave Airlie]

On 26 March 2015 at 11:07, Ilia Mirkin <imirkin at alum.mit.edu> wrote:
> The copy propagation pass didn't properly deal with arrays, which caused
> it to merge b[1] and a[1] even though a[1] is modified after the initial
> assignment.
>
> Test taken verbatim from
>
> https://www.khronos.org/registry/webgl/conformance-suites/1.0.2/conformance/ogles/GL/functions/array_float_frag.frag
>
> Signed-off-by: Ilia Mirkin <imirkin at alum.mit.edu>

Reviewed-by: Dave Airlie <airlied at redhat.com>