Work around MSAN complaint with pool allocator - Part 2 Cache a member variable accessed after destructor so MSAN doesn't consider it having an uninitialized value. Bug: b/314793573 Change-Id: I7cb515205ed5bf3ba52d68220866009dd04f2d08 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5243114 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Roman Lavrov <romanl@google.com> Auto-Submit: Shahbaz Youssefi <syoussefi@chromium.org>