This seems like a very noisy heuristic. See previous bug [1796308](https://bugzilla.mozilla.org/show_bug.cgi?id=1796308) where the fix was to work around the issue by erasing the size information for the constant. I'll get this fixed today in 1820175.
Bug 1815435 Comment 12 Edit History
Note: The actual edited comment in the bug view page will always show the original commenter’s name and original timestamp.
This seems like a very noisy heuristic. See previous bug [1796308](https://bugzilla.mozilla.org/show_bug.cgi?id=1796308) where the chosen fix was to work around the issue by erasing the size information for the constant. I'll get this fixed today in 1820175.