[Help-smalltalk] UnusedGlobals

[Gwenaël Casaccio]

Hi,

Here is a patch which adds a UnusedGlobals namespace, when a variable 
binding
is removed from a namespace, it tests if the binding is used by a 
compiled method
 (could be changed), if yes the global is added to the UnusedGlobal 
namespace
otherwise it's removed. The vm is changed a bit to bootstrap the new 
class and
there is a simple test case.

Cheers,
Gwen

unused.patch
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