| From: | Alexander Lakhin <exclusion(at)gmail(dot)com> |
|---|---|
| To: | rekgrpth(at)gmail(dot)com, pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #18248: Expression is always zero |
| Date: | 2023-12-14 11:11:12 |
| Message-ID: | 3ba9dde0-ed11-2b58-5ede-b95d00e64228@gmail.com |
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| Thread: | |
| Lists: | pgsql-bugs |
Hello Georgy,
14.12.2023 08:32, PG Bug reporting form wrote:
> The following bug has been logged on the website:
>
> Bug reference: 18248
> Logged by: RekGRpth
> Email address: rekgrpth(at)gmail(dot)com
>
> The value of expression 'thistimecnt >> 31 >> 31 >> 2' (in
> src/timezone/zic.c) is zero regardless of the value of the left operand
> 'thistimecnt', because it is shifted by 64 (in total) bits, which is greater
> or equal to its size of 64 bits.
>
> Maybe this was what was meant?
> thistimecnt >> 31 >> 2
I see the same in
https://github.com/eggert/tz/blob/main/zic.c
So maybe you would like to report that to the tz mailing list?:
https://www.iana.org/time-zones
Best regards,
Alexander
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