SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_38bbb9() { float res = arg_0.sample(arg_1, float2()); } fragment void fragment_main() { textureSample_38bbb9(); return; } tint_fTMbcr.metal:5:15: error: use of undeclared identifier 'arg_0' float res = arg_0.sample(arg_1, float2()); ^ tint_fTMbcr.metal:5:28: error: use of undeclared identifier 'arg_1' float res = arg_0.sample(arg_1, float2()); ^ 2 errors generated.