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#2462 new unhandled exception in debug mode after FFDec update
Author:
3plus4i

Date created:
Type: bug
Visibility: Everybody
Assigned to:
State: upgraded 

> What steps will reproduce the problem?
Run file in debug mode, follow the tutorial until entering the dungeon.
> What is the expected output? What do you see instead?
When I last ran this file in debug mode (likely v22.0.1) I had no issue, now Starling
crashes with an unhandled exception:
unhandled exception: VerifyError: Error #1021: At least one branch target was not on a
valid instruction in the method.
at AI/decideAction()[./main:/AI.as:205]
at AI/update()[./main:/AI.as:375]
at Actor/update()[./main:/Actor.as:906]
at SpriteEntityManager/update()[./main:/SpriteEntityManager.as:113]
at Director/update()[./main:/Director.as:566]
at Game/update()[./main:/Game.as:343]
at
starling.events::EventDispatcher/invokeEvent()[./starling/events/main:starling/events/Even
tDispatcher.as:125]
at
starling.events::EventDispatcher/dispatchEvent()[./starling/events/main:starling/events/Ev
entDispatcher.as:96]
at
starling.display::DisplayObject/dispatchEvent()[./starling/display/main:starling/display/D
isplayObject.as:405]
at
starling.display::DisplayObjectContainer/broadcastEvent()[./starling/display/main:starling
/display/DisplayObjectContainer.as:415]
at
starling.display::Stage/advanceTime()[./starling/display/main:starling/display/Stage.as:55
]
at
starling.core::Starling/advanceTime()[./starling/core/main:starling/core/Starling.as:412]
at
starling.core::Starling/nextFrame()[./starling/core/main:starling/core/Starling.as:400]
at
starling.core::Starling/onEnterFrame()[./starling/core/main:starling/core/Starling.as:570]
> What version of the product are you using? Is it "nightly build"? Which operating system
do you have?
23.0.1
> Please provide any additional information below. If the problem is related to a SWF
file, attach it here, otherwise we can't help you.
I haven't worked on this project since December 2023. The only change I made since is
updating FFDec. The error does not occur on the original version of the file. I managed to
track the issue down to the exact commit it starts occurring, but I know for a fact that I
have run it in debug mode past this commit back then. I can't really make sense of the
error output, it doesn't even point to a function that I made any changes in on that or
any previous commit. The trace output of Starling is extensive, I can provide it if
needed.

Actually I was mistaken, the version it last worked on was probably 20.0.0. I also forgot
to mention that I'm running on Xubuntu/Linux.
This is fixed in nightly 3174.
State: new→upgraded