// arm64:`CALL\truntime.typeAssert`,`LDAR`,`MOVWU\t16\(R0\)`,`MOVD\t\(R.*\)\(R.*\)`
	if _, ok := x.(I); ok {
		return 3
	}
	return 5
}

func interfaceConv(x IJ) I {
	// amd64:`CALL\truntime.typeAssert`,`MOVL\t16\(AX\)`,`MOVQ\t8\(.*\)(.*\*1)`
	// arm64:`CALL\truntime.typeAssert`,`LDAR`,`MOVWU\t16\(R0\)`,`MOVD\t\(R.*\)\(R.*\)`
	return x