rodrigo@linux-c52s:~/repo/mono/mcs/tests> MONO_PATH=../class/lib/net_2_0 ../../mono/mini/mono ../mcs/gmcs.exe test-792.cs -r:test-792-lib.dll --mcs-debug 1
test-792.cs(9,21): warning CS0612: `X' is obsolete
test-792.cs(16,9): error CS0584: Internal compiler error: Method not found: 'IMemberDelayed.foo'.
Internal compiler error at test-792.cs(15,14):: exception caught while emitting MethodBuilder [Program::Test2]

Unhandled Exception: System.MissingMethodException: Method not found: 'IMemberDelayed.foo'.
  at (wrapper managed-to-native) System.Reflection.MonoMethodInfo:get_parameter_info (intptr,System.Reflection.MemberInfo)
  at System.Reflection.MonoMethodInfo.GetParametersInfo (IntPtr handle, System.Reflection.MemberInfo member) [0x00000] in <filename unknown>:0
  at System.Reflection.MonoMethod.GetParameters () [0x00000] in <filename unknown>:0
  at Mono.CSharp.ReflectionMetaImporter.CreateMethod (System.Reflection.MethodBase mb, Mono.CSharp.TypeSpec declaringType) [0x00000] in <filename unknown>:0
  at Mono.CSharp.ImportedTypeDefinition.LoadMembers (Mono.CSharp.TypeSpec declaringType, Boolean onlyTypes, Mono.CSharp.MemberCache& cache) [0x00000] in <filename unknown>:0
  at Mono.CSharp.TypeSpec.InitializeMemberCache (Boolean onlyTypes) [0x00000] in <filename unknown>:0
  at Mono.CSharp.TypeSpec.get_MemberCache () [0x00000] in <filename unknown>:0
  at Mono.CSharp.MemberCache.FindMembers (Mono.CSharp.TypeSpec container, System.String name, Boolean declaredOnly) [0x00000] in <filename unknown>:0
  at Mono.CSharp.Expression.MemberLookup (Mono.CSharp.ResolveContext rc, Mono.CSharp.TypeSpec currentType, Mono.CSharp.TypeSpec queried_type, System.String name, Int32 arity, MemberLookupRestrictions restrictions, Location loc) [0x00000] in <filename unknown>:0
  at Mono.CSharp.MemberAccess.LookupNameExpression (Mono.CSharp.ResolveContext rc, MemberLookupRestrictions restrictions) [0x00000] in <filename unknown>:0
  at Mono.CSharp.Invocation.DoResolve (Mono.CSharp.ResolveContext ec) [0x00000] in <filename unknown>:0
  at Mono.CSharp.Expression.Resolve (Mono.CSharp.ResolveContext ec, ResolveFlags flags) [0x00000] in <filename unknown>:0