Index: large_arithmetic.hpp
===================================================================
--- large_arithmetic.hpp	(Revision 58549)
+++ large_arithmetic.hpp	(Revision 58550)
@@ -95,9 +95,9 @@
         rem = rem + error * m - diff;
 
         quotient[i - 2] = q;
-        product[i] = 0;
-        product[i-1] = (rem >> bits) & mask;
-        product[i-2] = rem & mask;
+        product[i]   = 0;
+        product[i-1] = static_cast<digit_t>((rem >> bits) & mask);
+        product[i-2] = static_cast<digit_t>(rem & mask);
     }
 
     div_t result = {