Stream: git-wasmtime

Topic: wasmtime / issue #7511 cranelift: Enable fuzzing with PCC...

Wasmtime GitHub notifications bot (Nov 09 2023 at 00:54):

cfallin commented on issue #7511:

hi from parental leave -- quick note while I have a second, and then I'll re-disappear:

Just after getting the individual dynamic memories tests working and merging my last PR, I realized that letting optimization GVN together accesses that hit different bounds-check cases will cause some conflict facts, and I think the right solution is to merge range/dynamic-range and mem/dynamic-mem into one thing that can have either static or dynamic or both bounds on each end. You want to be able to say "x is less than 0xffff_fffc, and also gv2" basically, and let Fact::intersect produce that. Given that, it might make sense to fuzz only static-memory cases with a guard region, which are the default in Wasmtime and are way simpler, and should not hit this case.

Sorry, was hacking on this fix then the kid intervened -- I can get back to it in February :-)

Last updated: Dec 13 2025 at 19:03 UTC