Re: casting operand to proper type in BlockIdGetBlockNumber - Mailing list pgsql-hackers

From Tom Lane
Subject Re: casting operand to proper type in BlockIdGetBlockNumber
Date
Msg-id 3173838.1646324668@sss.pgh.pa.us
Whole thread Raw
In response to Re: casting operand to proper type in BlockIdGetBlockNumber  (Zhihong Yu <zyu@yugabyte.com>)
Responses Re: casting operand to proper type in BlockIdGetBlockNumber  (Zhihong Yu <zyu@yugabyte.com>)
List pgsql-hackers
Zhihong Yu <zyu@yugabyte.com> writes:
> On Thu, Mar 3, 2022 at 7:44 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Zhihong Yu <zyu@yugabyte.com> writes:
>>> In test output, I saw:
>>> src/backend/utils/adt/tid.c:112:16: runtime error: left shift of 65535 by
>>> 16 places cannot be represented in type 'int'

> Jenkins build is alma8-clang12-asan

Oh, I misread this as a compile-time warning, but it must be from ASAN.
Was the test case one of your own, or just our normal regression tests?

(I think the code is indeed incorrect, but I'm wondering why this hasn't
been reported before.  It's been like that for a long time.)

            regards, tom lane



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