Avoid too-large shift on 32-bit Windows.
Apparently, shifts greater than or equal to the width of the type
are undefined, and can surprisingly produce a non-zero value.
Amit Kapila, with a comment by me.
Branch
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master
Details
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http://git.postgresql.org/pg/commitdiff/343bb134ea20d3b7286c620c15a067da79cab724
Modified Files
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src/backend/storage/ipc/dsm_impl.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)