[rust-dev] Integer overflow, round -2147483648

Patrick Walton pcwalton at mozilla.com
Sun Jun 22 20:52:00 PDT 2014


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.

GCJ did it. Presumably JavaScriptCore does it too. How?

Patrick



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