Fix resolver crashes

ICSharpCode.NRefactory/CSharp/Resolver/ResolveVisitor.cs

@@ -953,6 +953,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				for (int i = 0; i < initializerElementResults.Length; i++) {
 					initializerElementResults[i] = Resolve(initializerElements[i]);
 				}
+				if (!resolveResultCache.ContainsKey(arrayCreateExpression.Initializer))
 					StoreResult(arrayCreateExpression.Initializer, voidResult);
 			}
 			
@@ -1251,6 +1252,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				}
 			}
 			resolver.PopInitializerType();
+			if (!resolveResultCache.ContainsKey(initializer))
 				StoreResult(initializer, voidResult);
 		}