[Mono-bugs] [Bug 372375] New: GMCS doesn't box nullable types

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Wed Mar 19 10:44:28 EDT 2008


https://bugzilla.novell.com/show_bug.cgi?id=372375


           Summary: GMCS doesn't box nullable types
           Product: Mono: Compilers
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: mprobst at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: Development


class Test {
         static object Foo (int? i) {
                 return (object)i;
         }
}

The method Foo should box the Nullable<int> object, but instead the following
code is generated:

        IL_0000:  ldarg.0 
        IL_0001:  stloc.0 
        IL_0002:  ldloca.s 0
        IL_0004:  call instance !0 valuetype
[mscorlib]System.Nullable`1<int32>::get_Value()
        IL_0009:  box [mscorlib]System.Int32
        IL_000e:  ret


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