avm1: Propagate errors properly when calling setters & improve DisplacementMapFilter.mapPoint's setter
#22872
+111
−10
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When calling a setter, the error from within the setter is propagated,
not ignored.
The
DisplacementMapFilter.mapPoint's setter has various weird behaviors:It's possible that this behavior is more common---in case similar
patterns are used in other places, we might want to restructure the
code.