[rust-dev] Integer overflow, round -2147483648
danielmicay at gmail.com
Sun Jun 22 21:13:03 PDT 2014
On 22/06/14 11:52 PM, Patrick Walton wrote:
> On 6/22/14 8:46 PM, Daniel Micay wrote:
>> It's for faster (but not free) array bounds checking. I don't think Rust
>> will be able to use it because it unwinds on out-of-bounds rather than
>> aborting, and it will be difficult to turn the OS support (perhaps
>> SIGFPE / SIGSEGV on *nix) into well defined unwinding in LLVM.
AFAIK, LLVM doesn't support unwinding from an asynchronous signal
handler with defined behaviour.
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