diff --git a/src/natvis/base.natvis b/src/natvis/base.natvis
index 447d3d4c..c4387550 100644
--- a/src/natvis/base.natvis
+++ b/src/natvis/base.natvis
@@ -154,6 +154,7 @@
     <AlternativeType Name="COFF_LibWriterSymbolList"/>
     <AlternativeType Name="COFF_LibWriterMemberList"/>
     <AlternativeType Name="PE_BaseRelocBlockList"/>
+    <AlternativeType Name="DW_Expr"/>
     <DisplayString>{{ count={count} first={first} }} </DisplayString>
     <Expand>
 			<Item Name="[count]">count</Item>
@@ -166,6 +167,19 @@
     </Expand>
   </Type>
 
+  <Type Name="RDIM_EvalBytecode">
+    <DisplayString>{{ op_count={op_count} encoded_size={encoded_size} first_op={first_op} }} </DisplayString>
+    <Expand>
+			<Item Name="[count]">op_count</Item>
+      <LinkedListItems>
+        <Size>op_count</Size>
+        <HeadPointer>first_op</HeadPointer>
+        <NextPointer>next</NextPointer>
+        <ValueNode>this</ValueNode>
+      </LinkedListItems>
+    </Expand>
+  </Type>
+
 	<Type Name="RDIM_TypeChunkList">
     <AlternativeType Name="RDIM_SrcFileChunkList"/>
     <AlternativeType Name="RDIM_LineTableChunkList"/>