Miscompile since 1.95 involving overflowing_add
Seems to require an integer overflow to happen (panic in debug / wrapping in release) before the `overflowing_add` call is done, which makes it less likely to happen in actual code.
Seems to require an integer overflow to happen (panic in debug / wrapping in release) before the `overflowing_add` call is done, which makes it less likely to happen in actual code.