SKIP: FAILED Validation Failure: #include using namespace metal; void textureSample_4dd1bf() { float4 res = arg_0.sample(arg_1, float3(), 1); } fragment void fragment_main() { textureSample_4dd1bf(); return; } tint_ULElO7.metal:5:16: error: use of undeclared identifier 'arg_0' float4 res = arg_0.sample(arg_1, float3(), 1); ^ tint_ULElO7.metal:5:29: error: use of undeclared identifier 'arg_1' float4 res = arg_0.sample(arg_1, float3(), 1); ^ 2 errors generated.