On Tue, 18 Feb 2025 at 09:00, <z...@altlinux.org> wrote: > > From: Denis Sergeev <z...@altlinux.org> > > Fix an integer overflow issue caused by a left shift operation (1 << i) > on an int literal. For i >= 31, this could lead to undefined behavior by > exceeding the 32-bit range.
The only case here where i >= 31 is exactly i == 31. QEMU compiles with -fwrapv, so in our dialect of C a shift left of signed integer 1 into the sign bit is *not* undefined behaviour. thanks -- PMM
