Re: BUG #18248: Expression is always zero - Mailing list pgsql-bugs

From Alexander Lakhin
Subject Re: BUG #18248: Expression is always zero
Date
Msg-id 3ba9dde0-ed11-2b58-5ede-b95d00e64228@gmail.com
Whole thread Raw
In response to BUG #18248: Expression is always zero  (PG Bug reporting form <noreply@postgresql.org>)
List 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@gmail.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



pgsql-bugs by date:

Previous
From: Julien Rouhaud
Date:
Subject: Re: BUG #18248: Expression is always zero
Next
From: Julien Rouhaud
Date:
Subject: Re: BUG #18245: pg_restore accepts same output file name as input file name