SKIP: FAILED

struct tint_symbol_1 {
  int loc0 : TEXCOORD0;
  uint loc1 : TEXCOORD1;
  float loc2 : TEXCOORD2;
  float4 loc3 : TEXCOORD3;
  float16_t loc4 : TEXCOORD4;
  vector<float16_t, 3> loc5 : TEXCOORD5;
};
struct tint_symbol_2 {
  float4 value : SV_Position;
};

float4 main_inner(int loc0, uint loc1, float loc2, float4 loc3, float16_t loc4, vector<float16_t, 3> loc5) {
  const int i = loc0;
  const uint u = loc1;
  const float f = loc2;
  const float4 v = loc3;
  const float16_t x = loc4;
  const vector<float16_t, 3> y = loc5;
  return (0.0f).xxxx;
}

tint_symbol_2 main(tint_symbol_1 tint_symbol) {
  const float4 inner_result = main_inner(tint_symbol.loc0, tint_symbol.loc1, tint_symbol.loc2, tint_symbol.loc3, tint_symbol.loc4, tint_symbol.loc5);
  tint_symbol_2 wrapper_result = (tint_symbol_2)0;
  wrapper_result.value = inner_result;
  return wrapper_result;
}
FXC validation failure:
D:\Projects\RampUp\dawn\test\tint\shader_io\Shader@0x0000016E3C1012A0(6,3-11): error X3000: unrecognized identifier 'float16_t'