SKIP: FAILED

#version 310 es
precision mediump float;

layout(location = 0) out vec4 x_GLF_color_1_1;
vec4 x_GLF_color = vec4(0.0f, 0.0f, 0.0f, 0.0f);
void main_1() {
  mat2 m = mat2(0.0f, 0.0f, 0.0f, 0.0f);
  m = mat2(vec2(1.0f, 2.0f), vec2(3.0f, 4.0f));
  mat2 x_30 = (transpose(m) * transpose(m));
  mat2 x_34 = transpose((m * m));
  if ((all(equal(x_30[0u], x_34[0u])) & all(equal(x_30[1u], x_34[1u])))) {
    x_GLF_color = vec4(1.0f, 0.0f, 0.0f, 1.0f);
  } else {
    x_GLF_color = vec4(0.0f, 0.0f, 0.0f, 0.0f);
  }
  return;
}

struct main_out {
  vec4 x_GLF_color_1;
};

main_out tint_symbol() {
  main_1();
  main_out tint_symbol_1 = main_out(x_GLF_color);
  return tint_symbol_1;
}

void main() {
  main_out inner_result = tint_symbol();
  x_GLF_color_1_1 = inner_result.x_GLF_color_1;
  return;
}
Error parsing GLSL shader:
ERROR: 0:11: '&' :  wrong operand types: no operation '&' exists that takes a left-hand operand of type ' global bool' and a right operand of type ' global bool' (or there is no acceptable conversion)
ERROR: 0:11: '' : compilation terminated 
ERROR: 2 compilation errors.  No code generated.