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Re: Further news on Clang - spurious warnings

From: Peter Geoghegan <peter(at)2ndquadrant(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: PG Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Further news on Clang - spurious warnings
Date: 2011-08-03 13:30:37
Message-ID: CAEYLb_WauZ_GNfxqbfxfGh_Hqdmani5iLA52=HJgS5ENa84tNQ@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers 
It occurred to me that you may be a little surprised that the patch
actually prevents the warning from occurring. If you have any doubts,
I can assure you that it does. Clang differentiates between 0 as an
rvalue, 0 from an enum literal and 0 resulting from evaluating a macro
expression (including a function-like macro with deep nesting).

-- 
Peter Geoghegan       http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training and Services

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