[Mono-bugs] [Bug 336258] New: Flow-analysis of switch statement inside anonymous method is broken

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=336258

           Summary: Flow-analysis of switch statement inside anonymous
                    method is broken
           Product: Mono: Compilers
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: rharinath at novell.com
        ReportedBy: msafar at novell.com
         QAContact: mono-bugs at ximian.com
          Found By: ---


using System.Text.RegularExpressions;
using System;

class C
{
        public static void Main ()
        {
                new Regex ("").Replace ("aaaa", delegate (Match m) {
                        switch (m.Length) {
                                case 5:
                                        return "5";
                                default:
                                        return null;
                        }
                });
        }
}

Actual:

B.cs(8,49): error CS1643: Not all code paths return a value in anonymous method
of type `System.Text.RegularExpressions.MatchEvaluator'

Expected:

No error


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