SKIP: FAILED fn frexp_2507b2() { var arg_1 : vec4; var res : vec4 = frexp(vec4(), &(arg_1)); } [[stage(vertex)]] fn vertex_main() { frexp_2507b2(); } [[stage(fragment)]] fn fragment_main() { frexp_2507b2(); } [[stage(compute)]] fn compute_main() { frexp_2507b2(); } Failed to generate: error: Unknown import method: frexp