SKIP: FAILED fn frexp_6efa09(tint_symbol_2 : ptr>) { var res : vec3 = frexp(vec3(), &(*(tint_symbol_2))); } struct tint_symbol { [[builtin(position)]] value : vec4; }; [[stage(vertex)]] fn vertex_main() -> tint_symbol { [[internal(disable_validation__function_var_storage_class)]] var tint_symbol_3 : vec3; frexp_6efa09(&(tint_symbol_3)); let tint_symbol_1 : tint_symbol = tint_symbol(vec4()); return tint_symbol_1; } [[stage(fragment)]] fn fragment_main() { [[internal(disable_validation__function_var_storage_class)]] var tint_symbol_4 : vec3; frexp_6efa09(&(tint_symbol_4)); } [[stage(compute), workgroup_size(1)]] fn compute_main() { [[internal(disable_validation__function_var_storage_class)]] var tint_symbol_5 : vec3; frexp_6efa09(&(tint_symbol_5)); } Failed to generate: error: Unknown import method: frexp