On Tue, 20 Jun 2023 22:59:42 GMT, Maurizio Cimadamore <[email protected]>
wrote:
>> src/java.base/share/classes/java/lang/foreign/Linker.java line 650:
>>
>>> 648: * function descriptor associated with a downcall
>>> linkage request}
>>> 649: * <p>
>>> 650: * The {@code index} value must be greater than zero, and less
>>> than or equal to the number of argument layouts
>>
>> Why > 0 and not >= 0? If the list of argument layout is empty, wouldn't the
>> first vararg be in position 0? E.g. a call to a function `m(...)` with _no_
>> actual arguments?
>
> E.g. are we making an assumption here that if no arguments are passed, then
> the calling sequence won't be affected by variadic-ness - is that assumption
> always true?
Ah, sorry, this is just a mistake I made. It should be >= 0
-------------
PR Review Comment: https://git.openjdk.org/jdk/pull/14565#discussion_r1236015716