pgsql: Add valgrind suppression for pg_atomic_init_u64.

From: Andres Freund <andres(at)anarazel(dot)de>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Add valgrind suppression for pg_atomic_init_u64.
Date: 2014-11-14 16:38:06
Message-ID: E1XpJss-0003eI-Oq@gemulon.postgresql.org
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Add valgrind suppression for pg_atomic_init_u64.

pg_atomic_init_u64 (indirectly) uses compare/exchange to guarantee
atomic writes on platforms where compare/exchange is available, but
64bit writes aren't atomic (yes, those exist). That leads to a
harmless read of the initial value of variable.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/6c878edc1df9d4d9ad7ed4a7e1c34c0bf0f622b9

Modified Files
--------------
src/tools/valgrind.supp | 13 +++++++++++++
1 file changed, 13 insertions(+)

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