#version 310 es precision mediump float; layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void unused_entry_point() { return; } void main() { unused_entry_point(); } void f() { int i = 0; int j = 0; mat2 m = mat2(vec2(1.0f, 2.0f), vec2(3.0f, 4.0f)); float f_1 = m[i][j]; }