SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_ea7030() { float res = arg_0.sample(arg_1, float3()); } fragment void fragment_main() { textureSample_ea7030(); return; } tint_hX4U1g.metal:5:15: error: use of undeclared identifier 'arg_0' float res = arg_0.sample(arg_1, float3()); ^ tint_hX4U1g.metal:5:28: error: use of undeclared identifier 'arg_1' float res = arg_0.sample(arg_1, float3()); ^ 2 errors generated.