X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.cpp;h=ba1af2f2865f28865791178206add9752a392889;hp=4ea69ebc757df81fbea8f70d79e1d54c7d568446;hb=f256388e0808b45d8468b088cdc141a41feac3fb;hpb=db4b0d8b7db8db15c16a71212990354094f00b0d

diff --git a/src/bitboard.cpp b/src/bitboard.cpp
index 4ea69ebc..ba1af2f2 100644
--- a/src/bitboard.cpp
+++ b/src/bitboard.cpp
@@ -81,11 +81,13 @@ namespace {
 /// Software fall-back of lsb() and msb() for CPU lacking hardware support
 
 Square lsb(Bitboard b) {
+  assert(b);
   return BSFTable[bsf_index(b)];
 }
 
 Square msb(Bitboard b) {
 
+  assert(b);
   unsigned b32;
   int result = 0;