On Tue, Apr 28, 2020 at 08:30:27PM +0000, Harry Gillanders via Digitalmars-d-learn wrote: > The spec doesn't seem to explicitly mention what happens when the left > operand of a shift expression is signed and negative. [1] > But I know that D follows C's semantics for this sort of stuff, and > the C standard specifies that the result of a negative left operand is > undefined for `<<`, and implementation-defined for `>>`. [2][3] [...]
Yes, it's UB. Don't do it. T -- One Word to write them all, One Access to find them, One Excel to count them all, And thus to Windows bind them. -- Mike Champion
