```ruby def m(a) = yield(a) def run = method(:m).to_proc.(7) { break } p run ``` Found by fuzzing. Crashes all released versions and on trunk. I haven't investigated a fix.alanwu (Alan Wu)
This is not an issue with ruby but with the tool chain you're using to build ruby. > collect2: fatal error: ld terminated with signal 6 [Aborted], core dumped The linker you're using is crashing, and it's not clear which linker y...alanwu (Alan Wu)
> If it is preferable to specify the cache size via an environment variable, instead of just the ability to disable the cache, I can work on that approach instead. My 2 cents, since we have had `RUBY_{THREAD_VM,THREAD_MACHINE,FIBE...alanwu (Alan Wu)
(More precisely, the invalidation happens with any method override in the range between `singleton_class.ancestors.first` and the first non-singleton class.) I'll use YJIT for the example because it has counters in the default build f...alanwu (Alan Wu)
IMO using an ivar for `__members__` was an implementation limitation from back when we didn't have variable width GC allocations. Now that we can have it as a struct field on the T_CLASS directly, caching the read of that ivar seems espe...alanwu (Alan Wu)
Frankly, I don't want to parse through this huge wall of LLM generated prose. Please be mindful of what you're asking readers to do. Your request boils down to wanting to expose some internal primitive that is used to implement Ruby's m...alanwu (Alan Wu)
> To be clear, both stackprof and the datadog profiler avoid this because they still sample the stack inside the signal handler -- the postponed jobs mechanism handles only the recording of the stack (which might e.g. involve expanding m...alanwu (Alan Wu)
alanwu (Alan Wu)07:34 PM Ruby Bug #22481 (Open): `break` in block passed to Method#to_proc cause [BUG] Stack consistency error