pgsql: Restore handling of -0 in the C field of lines in line_construct

From: Tomas Vondra <tomas(dot)vondra(at)postgresql(dot)org>
To: pgsql-committers(at)lists(dot)postgresql(dot)org
Subject: pgsql: Restore handling of -0 in the C field of lines in line_construct
Date: 2018-07-29 19:11:48
Message-ID: E1fjr6a-0006Hz-D3@gemulon.postgresql.org
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Restore handling of -0 in the C field of lines in line_construct().

Commit a7dc63d904 inadvertedly removed this bit originally introduced
by 43fe90f66a, causing regression test failures on some platforms,
due to producing {1,-1,-0} instead of {1,-1,0}.

Branch
------
master

Details
-------
https://git.postgresql.org/pg/commitdiff/74294c7301340eeb477343dd26d98d2f3e33bd20

Modified Files
--------------
src/backend/utils/adt/geo_ops.c | 3 +++
1 file changed, 3 insertions(+)

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