Also see this on a EventListener.handleEvent
Apparently this is a localization that occurs when a frame contains neither a `source` or a `functionDisplayName`
Tromey, is this an intentional fallback when we can't determine a stack for some good reason, or an error?
I think it was defensive programming - so I would lean toward "error". If we can't find a stack at all, then the stack properties on the marker should be null, and we shouldn't try to display anything. However, IIRC, at the time I wasn't sure if it was possible for a stack frame not to have any useful descriptive information.
Do you know how I could reproduce this?
No idea, but I'll keep an eye out for it
Triaging. Filter on ADRENOCORTICOTROPIC (yes).
Priority: -- → P3
Summary: [marker] JS Marker EventHandlerNonNull has <unknown location> stack → JS marker EventHandlerNonNull has <unknown location> stack
Version: 37 Branch → unspecified
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