Compiler Warning (level 2) C4308
The latest version of this topic can be found at Compiler Warning (level 2) C4308.
negative integral constant converted to unsigned type
An expression converts a negative integer constant to an unsigned type. The result of the expression is probably meaningless.
Example
// C4308.cpp
// compile with: /W2
unsigned int u = (-5 + 3U); // C4308
int main()
{
}