Identity constructor GetHashCode throw Arithmetic Overflow exception

What steps will reproduce the problem?
1. Running simple select code for dynamic object.
2. Code throws an exception of  Arithmetic Overflow
3.

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?

Please provide any additional information below.
Fixed by changing code 
hashCode = unchecked(hashCode * 23 + (sql == null ? 0 : sql.GetHashCode()));
                hashCode = unchecked(hashCode * 23 + (type == null ? 0 : type.GetHashCode()));
                hashCode = unchecked(hashCode * 23 + (connectionString == null ? 0 : connectionString.GetHashCode()));

Original issue reported on code.google.com by gauravsa...@gmail.com on 22 Apr 2011 at 10:09

Anupam- / dapper-dot-net

Identity constructor GetHashCode throw Arithmetic Overflow exception #8