[JS-internals] Bug 449811 Per iterator let scope

2016-04-29 Thread Tom Schuster
Hey! I want to inquire if we could maybe speed up the implemention of Bug 449811. This is going to cause fundamental and annoying to debug issues for everyone who wants to use let. I would even say that we should have never shipped let without this bug. There has been no progress for 4 months even

Re: [JS-internals] Reducing SpiderMonkey's crash rate

2016-04-29 Thread Nicholas Nethercote
On Thu, Apr 28, 2016 at 7:14 PM, Jan de Mooij wrote: > > Having only a few signatures for all of our JIT crashes conflates a lot of > different issues (imagine what would happen if most graphics or DOM crashes > had the same signature). Hopefully bug 1268029 will help a bit there. It looks like t

Re: [JS-internals] Reducing SpiderMonkey's crash rate

2016-04-29 Thread Julian Seward
> - Can we use static and dynamic analysis tools more? (Even simple > things like bug 1267551 can help.) There are still quite some detectable races [1] [2] [3], at least when running the browser as a whole (xpcshell tests). I can't tell whether they are harmful, but in any case we should IMO ha