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DartEditor 100% all core cpu utilization & large memory usage on specific code sample (included) #21549

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Description

@DartBot

This issue was originally filed by @mulander


What steps will reproduce the problem?

  1. Download Chapter_05.tar.gz
  2. Unpack
  3. Start the Dart Editor and File -> Open existing folder

What is the expected output? What do you see instead?
I expect the project to be loaded, quickly analyzed and workable.

Instead all my cores go to 100% CPU utilization, 2 gigs of memory usage and keeps spinning without ever ending (waited for 0.5h top).

What version of the product are you using?

Me:
 Dart Editor version 1.7.2.release (STABLE)
 Dart SDK version 1.7.2

Friend:
 Dart Editor version 1.7.2.release (STABLE)
 Dart SDK version 1.7.2

On what operating system?
Me: Archlinux 64-bit
Friend: 64bit Slackware Linux

What browser (if applicable)?
Not relevant

Please provide any additional information below.
The code is a slightly modified Chapter_05 example from the official tutorial. I include both my modified code & a git diff from the whole repository. I don't know what change introduced the problem.

I asked a friend to test on his instance and he reports the same issue (cpu usage at 100%, high mem - not ending)


Attachments:
Chapter_05.tar.gz (1.80 MB)
changes.diff (18.82 KB)

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