Jon Siwek 0a69b87f03 Fix uninitialized locals in event/hook handlers from having a value. ... Since values for local variables are referenced by offset within a Frame (not by identifier name), and event/hook handler bodies share a common Frame, the value offsets for local variables in different handlers may overlap. This meant locals in a handler without an initialization may actually end up referring to the value of a previous handler's local that has the same Frame offset. When executing the body, that can possibly result in a type-conflict error or give give unexpected results instead of a "use of uninitialized value" error. This patch makes it so uninitialized locals do always refer to a null value before executing the body of a event/hook handler, so that using them without assigning a value within the body will connsistently give a "use of uninitialized value" error. Addresses #932.		2013-01-17 15:21:50 -06:00
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out	Fix uninitialized locals in event/hook handlers from having a value.	2013-01-17 15:21:50 -06:00