Code inspection: Actual shift count equals zero

This inspection reports shift expressions where the effective shift count is zero after C# truncates the right-hand operand. In practice, the expression leaves the left-hand value unchanged, which is usually not what was intended.

Example

                int value = 8 << 32;
                long other = 56L << 64;
            

                int value = 8 << 31;
                long other = 56L << 63;
            

How to fix

This inspection does not have a dedicated quick-fix. The fix is to use a shift count that matches the actual bit width you intended.

01 April 2026