On Mon, Jan 13, 2014 at 8:19 PM, Robert O'Callahan <[email protected]> wrote: > > Thanks for catching that. My experiments indicate that -ftrapv works in gcc > for x86 but not x86-64. Which explains why the Firefox try builds only work > for x86-64. Which makes sense, since Firefox contains code that would depend > on overflow wrapping around.
That's a bit scary since `-ftrapv` is only for signed integers and it's probably not using `-fwrapv` to make it defined :). _______________________________________________ Rust-dev mailing list [email protected] https://mail.mozilla.org/listinfo/rust-dev
