Bug 1797 - Internal compiler error when inflating wrong generic type
Summary: Internal compiler error when inflating wrong generic type
Alias: None
Product: Compilers
Classification: Mono
Component: C# ()
Version: unspecified
Hardware: PC Mac OS
: --- normal
Target Milestone: ---
Assignee: Marek Safar
Depends on:
Reported: 2011-10-31 11:51 UTC by Jérémie Laval
Modified: 2011-11-04 09:14 UTC (History)
1 user (show)

Is this bug a regression?: ---
Last known good build:

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Description Jérémie Laval 2011-10-31 11:51:45 UTC
A wrong generic type, although correctly detected with an error message, is still propagated to System.Type.MakeGenericType causing compiler to crash with following log:

ystem.ArgumentException: Invalid generic arguments
Parameter name: typeArguments
  at (wrapper managed-to-native) System.Type:MakeGenericType (System.Type,System.Type[])
  at System.Type.MakeGenericType (System.Type[] typeArguments) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.InflatedTypeSpec.CreateMetaInfo (Mono.CSharp.TypeParameterMutator mutator) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.InflatedTypeSpec.GetMetaInfo () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.AParametersCollection.GetMetaInfo () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.MethodData.DefineMethodBuilder (Mono.CSharp.TypeContainer container, System.String method_name, Mono.CSharp.ParametersCompiled param) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.MethodData.Define (Mono.CSharp.DeclSpace parent, System.String method_full_name, Mono.CSharp.Report Report) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Event+AEventAccessor.Define (Mono.CSharp.DeclSpace parent) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.EventProperty+AEventPropertyAccessor.Define (Mono.CSharp.DeclSpace ds) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Event.Define () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.EventProperty.Define () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.TypeContainer.DefineContainerMembers (IList mcal) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at Mono.CSharp.TypeContainer.DefineContainerMembers (IList mcal) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Class.DefineContainerMembers (IList list) [0x00000] in <filename unknown>:0 
  at Mono.CSharp.TypeContainer.DoDefineMembers () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.ClassOrStruct.DoDefineMembers () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Class.DoDefineMembers () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.TypeContainer.Define () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.ModuleContainer.Define () [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at Mono.CSharp.ModuleContainer.Define () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Driver.Compile () [0x00000] in <filename unknown>:0 
  at Mono.CSharp.Driver.Main (System.String[] args) [0x00000] in <filename unknown>:0

To reproduce, type 'EventHandler<System.Char[]> foo;' in csharp
Comment 1 Marek Safar 2011-11-04 09:14:47 UTC
Fixed in master