SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_667d76() { float res = arg_0.sample(arg_1, float2(), int2()); } fragment void fragment_main() { textureSample_667d76(); return; } tint_Mx8eug.metal:5:15: error: use of undeclared identifier 'arg_0' float res = arg_0.sample(arg_1, float2(), int2()); ^ tint_Mx8eug.metal:5:28: error: use of undeclared identifier 'arg_1' float res = arg_0.sample(arg_1, float2(), int2()); ^ 2 errors generated.