SKIP: FAILED Validation Failure: #include using namespace metal; void textureSampleBias_eed7c4() { float4 res = arg_0.sample(arg_1, float3(), 1, bias(1.0f)); } fragment void fragment_main() { textureSampleBias_eed7c4(); return; } tint_FJH9UG.metal:5:16: error: use of undeclared identifier 'arg_0' float4 res = arg_0.sample(arg_1, float3(), 1, bias(1.0f)); ^ tint_FJH9UG.metal:5:29: error: use of undeclared identifier 'arg_1' float4 res = arg_0.sample(arg_1, float3(), 1, bias(1.0f)); ^ 2 errors generated.