Merge pull request #28144 from mavasani/AddAsserts

Assert that IArrayInitializationOperation.Type is always null in test visitors

src/Test/Utilities/Portable/Compilation/OperationTreeVerifier.cs

@@ -1438,6 +1438,7 @@ public override void VisitArrayInitializer(IArrayInitializerOperation operation)
             LogString($" ({operation.ElementValues.Length} elements)");
             LogCommonPropertiesAndNewLine(operation);
 
+            Assert.Null(operation.Type);
             VisitArray(operation.ElementValues, "Element Values", logElementCount: true);
         }
 

src/Test/Utilities/Portable/Compilation/TestOperationVisitor.cs

@@ -933,6 +933,7 @@ public override void VisitArrayCreation(IArrayCreationOperation operation)
         public override void VisitArrayInitializer(IArrayInitializerOperation operation)
         {
             Assert.Equal(OperationKind.ArrayInitializer, operation.Kind);
+            Assert.Null(operation.Type);
             AssertEx.Equal(operation.ElementValues, operation.Children);
         }