[Pharo-dev] [update 6.1] #60542

[Marcus Denker]

60542
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22305 Backport to Pharo6: "Leave Variable Undeclared"
        https://pharo.fogbugz.com/f/cases/22305 
<https://pharo.fogbugz.com/f/cases/22305>
 <https://pharo.fogbugz.com/f/cases/22305>
22298 Backport of the fix of Infinite Debugger
        https://pharo.fogbugz.com/f/cases/22298 
<https://pharo.fogbugz.com/f/cases/22298>