#include <metal_stdlib>

using namespace metal;

int tint_unary_minus(const int v) {
  return select(-v, v, v == -2147483648);
}

void tint_symbol() {
  int b = 2;
  int c = as_type<int>((as_type<uint>(b) - as_type<uint>(tint_unary_minus(b))));
}

