SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_7c3baa() { float4 res = arg_0.sample(arg_1, float2(), int2()); } fragment void fragment_main() { textureSample_7c3baa(); return; } tint_6J7fSq.metal:5:16: error: use of undeclared identifier 'arg_0' float4 res = arg_0.sample(arg_1, float2(), int2()); ^ tint_6J7fSq.metal:5:29: error: use of undeclared identifier 'arg_1' float4 res = arg_0.sample(arg_1, float2(), int2()); ^ 2 errors generated.