[require]
GLSL >= 1.20

[vertex shader]
/* Verify that out-of-bounds access to an array does not result in any sort of
 * program interruption.
 *
 * In this test case the array index may be constant folded.
 */
#version 120

float array[] = float [] (1.0, 2.0, 3.0, 4.0);

void main()
{
   int idx = -20;

   gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;

   if (array[idx] == 5.0)
      gl_FrontColor = vec4(1.0, 0.0, 0.0, 1.0);
   else
      gl_FrontColor = vec4(0.0, 1.0, 0.0, 1.0);
}

[fragment shader file]
glsl-color.frag

[test]
clear color 0.0 0.0 0.0 0.0
clear
ortho
draw rect 10 10 10 10
probe rgb 15 15 0.0 1.0 0.0