[Mono-bugs] [Bug 604640] New: NRE in compiler

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http://bugzilla.novell.com/show_bug.cgi?id=604640

http://bugzilla.novell.com/show_bug.cgi?id=604640#c0


           Summary: NRE in compiler
    Classification: Mono
           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: rkvinge at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---


Created an attachment (id=361176)
 --> (http://bugzilla.novell.com/attachment.cgi?id=361176)
test case

While building the attached test case (unzip, make all), I get this:

> MONO_OPTIONS=--debug make all
gmcs @Mono.Cecil.VB.dll.sources -target:library -out:Mono.Cecil.VB.dll
warning CS0436: The type `System.Runtime.CompilerServices.ExtensionAttribute'
conflicts with the imported type of same name'. Ignoring the imported type
definition
/mono/main/install/lib/mono/gac/System.Core/3.5.0.0__b77a5c561934e089/System.Core.dll
(Location of the symbol related to previous warning)

Unhandled Exception: System.NullReferenceException: Object reference not set to
an instance of an object
  at Mono.CSharp.TypeParameterInflator.Inflate (Mono.CSharp.TypeSpec ts)
[0x0004a] in /mono/main/git/mcs/mcs/generic.cs:1029 
  at Mono.CSharp.TypeParameterSpec.InflateMember (TypeParameterInflator
inflator) [0x0000c] in /mono/main/git/mcs/mcs/generic.cs:944 
  at Mono.CSharp.TypeParameterSpec.InflateConstraints (TypeParameterInflator
inflator, Mono.CSharp.TypeParameterSpec[] tparams) [0x00047] in
/mono/main/git/mcs/mcs/generic.cs:931 
  at Mono.CSharp.InflatedTypeSpec.get_Constraints () [0x00024] in
/mono/main/git/mcs/mcs/generic.cs:1243 
  at Mono.CSharp.GenericTypeExpr.CheckConstraints (IMemberContext ec) [0x00020]
in /mono/main/git/mcs/mcs/generic.cs:1735 
  at Mono.CSharp.GenericTypeExpr.DoResolveAsTypeStep (IMemberContext ec)
[0x0003c] in /mono/main/git/mcs/mcs/generic.cs:1718 
  at Mono.CSharp.TypeExpr.ResolveAsTypeStep (IMemberContext ec, Boolean silent)
[0x00000] in /mono/main/git/mcs/mcs/ecore.cs:2665 
  at Mono.CSharp.SimpleName.ResolveAsTypeStep (IMemberContext ec, Boolean
silent) [0x0006f] in /mono/main/git/mcs/mcs/ecore.cs:2395 
  at Mono.CSharp.NamespaceEntry+LocalUsingAliasEntry.Resolve (IMemberContext
rc) [0x00025] in /mono/main/git/mcs/mcs/namespace.cs:760 
  at Mono.CSharp.NamespaceEntry.Lookup (System.String name, Int32 arity,
Location loc, Boolean ignore_cs0104) [0x000a7] in
/mono/main/git/mcs/mcs/namespace.cs:1125 
  at Mono.CSharp.NamespaceEntry.LookupNamespaceOrType (System.String name,
Int32 arity, Location loc, Boolean ignore_cs0104) [0x00009] in
/mono/main/git/mcs/mcs/namespace.cs:1055 
  at Mono.CSharp.DeclSpace.LookupNamespaceOrType (System.String name, Int32
arity, Location loc, Boolean ignore_cs0104) [0x000a0] in
/mono/main/git/mcs/mcs/decl.cs:1379 
  at Mono.CSharp.TypeContainer+BaseContext.LookupNamespaceOrType (System.String
name, Int32 arity, Location loc, Boolean ignore_cs0104) [0x00029] in
/mono/main/git/mcs/mcs/class.cs:114 
  at Mono.CSharp.SimpleName.ResolveAsTypeStep (IMemberContext ec, Boolean
silent) [0x00011] in /mono/main/git/mcs/mcs/ecore.cs:2390 
  at Mono.CSharp.Expression.ResolveAsTypeTerminal (IMemberContext ec, Boolean
silent) [0x00011] in /mono/main/git/mcs/mcs/ecore.cs:253 
  at Mono.CSharp.TypeArguments.Resolve (IMemberContext ec) [0x0003b] in
/mono/main/git/mcs/mcs/generic.cs:1584 
  at Mono.CSharp.GenericTypeExpr.DoResolveAsTypeStep (IMemberContext ec)
[0x00000] in /mono/main/git/mcs/mcs/generic.cs:1704 
  at Mono.CSharp.TypeExpr.ResolveAsTypeStep (IMemberContext ec, Boolean silent)
[0x00000] in /mono/main/git/mcs/mcs/ecore.cs:2665 
  at Mono.CSharp.SimpleName.ResolveAsTypeStep (IMemberContext ec, Boolean
silent) [0x0006f] in /mono/main/git/mcs/mcs/ecore.cs:2395 
  at Mono.CSharp.Expression.ResolveAsTypeTerminal (IMemberContext ec, Boolean
silent) [0x00011] in /mono/main/git/mcs/mcs/ecore.cs:253 
  at Mono.CSharp.TypeContainer.ResolveBaseTypes (Mono.CSharp.TypeExpr&
base_class) [0x0003e] in /mono/main/git/mcs/mcs/class.cs:838 
  at Mono.CSharp.Class.ResolveBaseTypes (Mono.CSharp.TypeExpr& base_class)
[0x00000] in /mono/main/git/mcs/mcs/class.cs:2344 
  at Mono.CSharp.TypeContainer.DefineBaseTypes () [0x00000] in
/mono/main/git/mcs/mcs/class.cs:1045 
  at Mono.CSharp.TypeContainer.DefineType () [0x00026] in
/mono/main/git/mcs/mcs/class.cs:1231 
  at Mono.CSharp.RootContext.ResolveTree () [0x00064] in
/mono/main/git/mcs/mcs/rootcontext.cs:218 
  at Mono.CSharp.Driver.Compile () [0x0025f] in
/mono/main/git/mcs/mcs/driver.cs:1731 
  at Mono.CSharp.Driver.Main (System.String[] args) [0x0003c] in
/mono/main/git/mcs/mcs/driver.cs:308 

This is with r156764.

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