SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_02aa9b() { float4 res = arg_0.sample(arg_1, float2(), 1, int2()); } fragment void fragment_main() { textureSample_02aa9b(); return; } tint_3llOQ2.metal:5:16: error: use of undeclared identifier 'arg_0' float4 res = arg_0.sample(arg_1, float2(), 1, int2()); ^ tint_3llOQ2.metal:5:29: error: use of undeclared identifier 'arg_1' float4 res = arg_0.sample(arg_1, float2(), 1, int2()); ^ 2 errors generated.