SKIP: FAILED #version 310 es precision mediump float; void main_1() { uint u1 = 10u; int i1 = 30; uvec2 v2u1 = uvec2(10u, 20u); ivec2 v2i1 = ivec2(30, 40); uint x_1 = uint(countbits(i1)); return; } layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; void tint_symbol() { main_1(); return; } void main() { tint_symbol(); } Error parsing GLSL shader: ERROR: 0:9: 'countbits' : no matching overloaded function found ERROR: 0:9: '' : compilation terminated ERROR: 2 compilation errors. No code generated.