diff -Naur a/boost/date_time/date_parsing.hpp b/boost/date_time/date_parsing.hpp
--- a/boost/date_time/date_parsing.hpp	2012-07-05 16:47:25.000000000 +0530
+++ b/boost/date_time/date_parsing.hpp	2012-07-10 18:38:25.000000000 +0530
@@ -148,6 +148,8 @@
             day = boost::lexical_cast<unsigned short>(*beg);
             break;
           }
+	  default:
+	  break;
         } //switch
       }
       return date_type(year, month, day);
@@ -180,6 +182,7 @@
         case 0: y = i; break;
         case 1: m = i; break;
         case 2: d = i; break;
+	default: break;
         }
         pos++;
       }