[Mono-bugs] [Bug 475327] An anon delegate inside of a templated function gets null reference in MutateHoistedGenericType

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https://bugzilla.novell.com/show_bug.cgi?id=475327

User khester at pacificbiosciences.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=475327#c3


Kevin Hester <khester at pacificbiosciences.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P5 - None                   |P2 - High
           Severity|Normal                      |Critical




--- Comment #3 from Kevin Hester <khester at pacificbiosciences.com>  2009-02-12 12:55:25 MST ---
Okay - I've now made a fix for this bug which I'll attach later this afternoon.
 The problem is that array_data in array constructors may contain null data
(I've noticed that all the other methods in this class are careful to check for
and handled nulls in array data:

        public override void MutateHoistedGenericType (AnonymousMethodStorey
storey)
        {
            array_element_type = storey.MutateType (array_element_type);
            type = storey.MutateType (type);
            if (arguments != null) {
                foreach (Argument a in arguments)
                    a.Expr.MutateHoistedGenericType (storey);
            }

            if (array_data != null) {
                foreach (Expression e in array_data)
                    // fix bug 475327 - nulls don't need to be hoisted
                    if(e != null)
                        e.MutateHoistedGenericType (storey);
            }
        }

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