Consolidate recursion checks
Move the check for potentially infinite recursion to xsltApplySequenceConstructor. In this function, both template and func:function calls can be handled. This also checks for the following case of infinite recursion in attribute sets found with afl-fuzz: <x:attribute-set name="set"> <x:attribute name="attr"> <elem x:use-attribute-sets="set"/> </x:attribute> </x:attribute-set> Rename funcLevel to depth and check against maxTemplateDepth. I hope it isn't a problem to rename an internal struct item.
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5816849e
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