pgsql: Use "mb" not the nonexistent "rmb" for pg_read_barrier() on Alph

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Use "mb" not the nonexistent "rmb" for pg_read_barrier() on Alph
Date: 2015-08-29 20:34:37
Message-ID: E1ZVmph-00056w-Lh@gemulon.postgresql.org
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Use "mb" not the nonexistent "rmb" for pg_read_barrier() on Alpha.

It's only necessary to fix this in 9.4; later versions don't have this
code (because we ripped out Alpha support entirely), while earlier ones
aren't actually using pg_read_barrier() anywhere.

Per rather belated report from Christoph Berg.

Branch
------
REL9_4_STABLE

Details
-------
http://git.postgresql.org/pg/commitdiff/747ca66977d5539a5ab9e5f33d3ca074fc3fd19b

Modified Files
--------------
src/include/storage/barrier.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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