#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 A() {
}

void _A() {
}

void B() {
  A();
}

void _B() {
  _A();
}

