[Mono-bugs] [Bug 575986] New: Linq Where extension method fails on typeof(T) for generic method parameter

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=575986

http://bugzilla.novell.com/show_bug.cgi?id=575986#c0


           Summary: Linq Where extension method fails on typeof(T) for
                    generic method parameter
    Classification: Mono
           Product: Mono: Class Libraries
           Version: 2.6.x
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Sys.Core
        AssignedTo: jbevain at novell.com
        ReportedBy: peter at peterjohanson.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=340092)
 --> (http://bugzilla.novell.com/attachment.cgi?id=340092)
Test case

User-Agent:       Mozilla/5.0 (X11; U; Linux x86_64; en-US) AppleWebKit/532.8
(KHTML, like Gecko) Chrome/4.0.295.0 Safari/532.8

Hit this snafu when trying to try OpenRasta
(http://trac.caffeine-it.com/openrasta) on mono 2.6.1. Linq's Where extension
method doesn't like the use of a typeof(T) with T coming from a generic method
parameter.

I've created a simple test case. Note, the test case works fine if you do
typeof(System.String), but switching that with the generic method parameter, it
blows up with the following error:

peter at fou ~/tmp $ mono --debug type-linq-where.exe

** (type-linq-where.exe:32157): WARNING **: The class Typespec 0x1b000008 could
not be loaded, used in

Unhandled Exception: System.TypeLoadException: Could not load type 'Typespec
0x1b000008'.
  at
System.Linq.Enumerable+<CreateWhereIterator>c__Iterator1D`1[System.Type].MoveNext
() [0x00059] in
/var/tmp/portage/dev-lang/mono-2.6.1/work/mono-2.6.1/mcs/class/System.Core/System.Linq/Enumerable.cs:2271
  at TestLinqTypeWhere+<GetTypes>c__Iterator0`1[ISubFoo].MoveNext () [0x00000]
in <filename unknown>:0
  at TestLinqTypeWhere.Main () [0x00000] in <filename unknown>:0


Reproducible: Always

Steps to Reproduce:
1. 
2.
3.

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