#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();
}

int get_i32() {
  return 1;
}

void f() {
  ivec2 v2 = ivec2(get_i32());
  ivec3 v3 = ivec3(get_i32());
  ivec4 v4 = ivec4(get_i32());
}

