SKIP: FAILED fn modf_353f7d() { var arg_1 : f32; var res : f32 = modf(1.0, &(arg_1)); } struct tint_symbol { [[builtin(position)]] value : vec4; }; [[stage(vertex)]] fn vertex_main() -> tint_symbol { modf_353f7d(); let tint_symbol_1 : tint_symbol = tint_symbol(vec4()); return tint_symbol_1; } [[stage(fragment)]] fn fragment_main() { modf_353f7d(); } [[stage(compute), workgroup_size(1)]] fn compute_main() { modf_353f7d(); } Failed to generate: error: Unknown import method: modf