SKIP: FAILED Validation Failure: Compilation failed: program_source:9:15: error: use of undeclared identifier 'arg_0' float res = arg_0.sample_compare(arg_1, float2(), 1.0f, level(0)); ^ program_source:9:36: error: use of undeclared identifier 'arg_1' float res = arg_0.sample_compare(arg_1, float2(), 1.0f, level(0)); ^