Two revisions of snippet compiled in quick succession compile to the first one

[Janiczek]

I have encountered a bug wrt: two revisions of the same snippet:

• https://ellie-app.com/M7nZJ5mCsja1/1
• https://ellie-app.com/M7nZJ5mCsja1/3

I have opened them both and clicked the "Compile" button in each of them (one right after another). Both gave me result for the first one and I had to make a small change to the source of the second one and "Compile" it again for it to be compiled.