Different issue, that's shifting so far it would never fit. Here's an example with clang ubsan: https://godbolt.org/z/6Wvhn5rP9 https://godbolt.org/z/6Wvhn5rP9

Different issue, that's shifting so far it would never fit. Here's an example with clang ubsan: https://godbolt.org/z/6Wvhn5rP9 https://godbolt.org/z/6Wvhn5rP9 Note that with foo = 0 there's no UB.