Issues · facebook/hhvm · GitHub

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[ Typechecker ] <<__Memoize>> can cause the same object to be typed in incompatible ways

#9797

· lexidor opened

on Jun 10, 2026

[ Crash ] EOPNOTSUPP hh_client on linux kernel version 6.9 and below in Docker (using overlayfs)

#9610

· lexidor opened

on May 28, 2025

[ Typechecker ] File-level attribute annotations are not typechecked when file declares zero non-const entities

#9508

· lexidor opened

on Aug 10, 2024

[ HipHop Debugger ] `dict[0 => NAN]` equals itself in the debugger, but not cli or server mode

#9272

· lexidor opened

on Oct 21, 2022

[ HSL ] Dict\chunk() behaves differently from doc block when given a KeyedTraversable with duplicate keys

#9271

· lexidor opened

on Oct 21, 2022

[ Typechecker ] __ConsistentConstruct attribute on a class with a final constructor hides error in the overridden constructor

#9095

· lexidor opened

on May 16, 2022

Final private method in trait overridden by a child class of the using class is not caught by hh_client

#9046

· lexidor opened

on Mar 31, 2022

[ Runtime ] Feedback on expression trees, `\Spliceable` is hardcoded in the typechecker, but not declared, this will cause name collisions

#8976

· lexidor opened

on Jan 28, 2022

[ Typechecker ] Returning an unbound generic `T` does not create Hack errors, allowing for unsound use of `T`

#8954

· lexidor opened

on Dec 17, 2021

[ hh_client --lint ] False positive for 5607, equality checks a generic value to a typed value is not always false

#8940

· lexidor opened

on Nov 25, 2021

[ Typechecker | Inference bug ] Nested loops cause Hack to accept badly typed code?

#8876

· lexidor opened

on Aug 23, 2021

[ TypeChecker ] Shapes::at() does not generate an error when a field is known to not exist if the given key is a class constant

#8869

· lexidor opened

on Aug 16, 2021