From: Marco Costalba <mcostalba@gmail.com>
Date: Mon, 27 Feb 2012 19:30:34 +0000 (+0100)
Subject: Fix a shift overflow warning
X-Git-Url: https://git.sesse.net/?p=stockfish;a=commitdiff_plain;h=c2a68708ef171cd408b0d331acca384e1bb210ec

Fix a shift overflow warning

Visual Studio 11 is worried that shift result could
overflow an integer, this is impossible becuase max
value of the shift is 4, but compiler cannot know it.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
---

diff --git a/src/position.cpp b/src/position.cpp
index 537674c9..0ffcc794 100644
--- a/src/position.cpp
+++ b/src/position.cpp
@@ -1520,7 +1520,7 @@ void Position::init() {
       Bitboard b = cr;
       while (b)
       {
-          Key k = zobCastle[1 << pop_1st_bit(&b)];
+          Key k = zobCastle[1ULL << pop_1st_bit(&b)];
           zobCastle[cr] ^= k ? k : rk.rand<Key>();
       }
   }