SKIP: FAILED

#include <metal_stdlib>
using namespace metal;

int vec4f() {
  return 0;
}
float vec2f(int i) {
  return float(i);
}
bool vec2i(float f) {
  return bool(f);
}
vertex float4 tint_symbol(uint VertexIndex [[]]) {
  return select(float4(0.0f), float4(1.0f), vec2i(vec2f(vec4f())));
}
program_source:13:27: error: invalid type 'uint' (aka 'unsigned int') for input declaration in a vertex function
vertex float4 tint_symbol(uint VertexIndex [[]]) {
                          ^~~~~~~~~~~~~~~~