[Mono-bugs] [Bug 353534] New: Compiler crash: NullReferenceException

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=353534


           Summary: Compiler crash: NullReferenceException
           Product: Mono: Compilers
           Version: SVN
          Platform: x86-64
        OS/Version: Ubuntu
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: C#
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: frederik.carlier at carlier-online.be
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


The compiler can't compile the attached file. The compiler crashes:

fcarlier at col-clt-u64:~/monobug$ gmcs Tooth.cs
Exception caught by the compiler while compiling:
   Block that caused the problem begin at: Tooth.cs(5,38):
                     Block being compiled: [Tooth.cs(5,81):,Tooth.cs(8,17):]
System.NullReferenceException: Object reference not set to an instance of an
object
Internal compiler error at Tooth.cs(5,38):: exception caught while emitting
MethodBuilder [Tooth::FormatRangeForDisplay]

Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
  at Mono.CSharp.TypeInferenceContext.OutputTypeInference
(Mono.CSharp.EmitContext ec, Mono.CSharp.Expression e, System.Type t) [0x00000] 
  at Mono.CSharp.TypeInferenceV3.InferInPhases (Mono.CSharp.EmitContext ec,
Mono.CSharp.TypeInferenceContext tic, ParameterData methodParameters) [0x00000] 
  at Mono.CSharp.TypeInferenceV3.InferMethodArguments (Mono.CSharp.EmitContext
ec, System.Reflection.MethodBase method) [0x00000] 
  at Mono.CSharp.TypeManager.InferTypeArguments (Mono.CSharp.EmitContext ec,
System.Collections.ArrayList arguments, System.Reflection.MethodBase& method)
[0x00000] 
  at Mono.CSharp.MethodGroupExpr.IsApplicable (Mono.CSharp.EmitContext ec,
System.Collections.ArrayList arguments, Int32 arg_count,
System.Reflection.MethodBase& method, System.Boolean& params_expanded_form)
[0x00000] 
  at Mono.CSharp.MethodGroupExpr.OverloadResolve (Mono.CSharp.EmitContext ec,
System.Collections.ArrayList Arguments, Boolean may_fail, Location loc)
[0x00000] 
  at Mono.CSharp.Invocation.DoResolveOverload (Mono.CSharp.EmitContext ec)
[0x00000] 
  at Mono.CSharp.Invocation.DoResolve (Mono.CSharp.EmitContext ec) [0x00000] 
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec, ResolveFlags
flags) [0x00000] 
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.EmitContext ec) [0x00000] 
  at Mono.CSharp.ExpressionStatement.ResolveStatement (Mono.CSharp.EmitContext
ec) [0x00000] 
  at Mono.CSharp.StatementExpression.Resolve (Mono.CSharp.EmitContext ec)
[0x00000] 
  at Mono.CSharp.Block.Resolve (Mono.CSharp.EmitContext ec) [0x00000] 
  at Mono.CSharp.EmitContext.ResolveTopBlock (Mono.CSharp.EmitContext
anonymous_method_host, Mono.CSharp.ToplevelBlock block, Mono.CSharp.Parameters
ip, IMethodData md, System.Boolean& unreachable) [0x00000]


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