diff --git a/src/Compilers/CSharp/Portable/Operations/CSharpOperationFactory.cs b/src/Compilers/CSharp/Portable/Operations/CSharpOperationFactory.cs
index 4865ca8408253..97c42b9e5665e 100644
--- a/src/Compilers/CSharp/Portable/Operations/CSharpOperationFactory.cs
+++ b/src/Compilers/CSharp/Portable/Operations/CSharpOperationFactory.cs
@@ -703,7 +703,9 @@ private IOperation CreateBoundObjectCreationExpressionOperation(BoundObjectCreat
             ConstantValue? constantValue = boundObjectCreationExpression.ConstantValue;
             bool isImplicit = boundObjectCreationExpression.WasCompilerGenerated;
 
-            if (boundObjectCreationExpression.ResultKind == LookupResultKind.OverloadResolutionFailure || constructor == null || constructor.OriginalDefinition is ErrorMethodSymbol)
+            Debug.Assert(constructor is not null);
+
+            if (boundObjectCreationExpression.ResultKind == LookupResultKind.OverloadResolutionFailure || constructor.OriginalDefinition is ErrorMethodSymbol)
             {
                 var children = CreateFromArray<BoundNode, IOperation>(((IBoundInvalidNode)boundObjectCreationExpression).InvalidNodeChildren);
                 return new InvalidOperation(children, _semanticModel, syntax, type, constantValue, isImplicit);
diff --git a/src/Compilers/VisualBasic/Test/IOperation/IOperation/IOperationTests_IObjectCreationExpression.vb b/src/Compilers/VisualBasic/Test/IOperation/IOperation/IOperationTests_IObjectCreationExpression.vb
index 2422a4b0d9712..dcc3ebe8b8b95 100644
--- a/src/Compilers/VisualBasic/Test/IOperation/IOperation/IOperationTests_IObjectCreationExpression.vb
+++ b/src/Compilers/VisualBasic/Test/IOperation/IOperation/IOperationTests_IObjectCreationExpression.vb
@@ -1252,6 +1252,36 @@ IObjectCreationOperation (Constructor: Sub S..ctor()) (OperationKind.ObjectCreat
             VerifyOperationTreeAndDiagnosticsForTest(Of ObjectCreationExpressionSyntax)(source, expectedOperationTree, expectedDiagnostics)
         End Sub
 
+        <CompilerTrait(CompilerFeature.IOperation)>
+        <Fact()>
+        Public Sub ObjectCreationCollectionWithInaccessibleStructureConstructor()
+            Dim source = <![CDATA[
+Class C
+    Protected Structure S
+    End Structure
+End Class
+Class D
+    Shared Sub M(o)
+        M(New C.S())'BIND:"New C.S()"
+    End Sub
+End Class]]>.Value
+
+            Dim expectedDiagnostics = <![CDATA[
+BC30389: 'C.S' is not accessible in this context because it is 'Protected'.
+        M(New C.S())'BIND:"New C.S()"
+              ~~~
+]]>.Value
+
+            Dim expectedOperationTree = <![CDATA[
+IObjectCreationOperation (Constructor: <null>) (OperationKind.ObjectCreation, Type: C.S, IsInvalid) (Syntax: 'New C.S()')
+  Arguments(0)
+  Initializer:
+    null
+]]>.Value
+
+            VerifyOperationTreeAndDiagnosticsForTest(Of ObjectCreationExpressionSyntax)(source, expectedOperationTree, expectedDiagnostics)
+        End Sub
+
         <CompilerTrait(CompilerFeature.IOperation, CompilerFeature.Dataflow)>
         <Fact()>
         Public Sub ObjectCreationFlow_01()