Fix ilasm /mdv option (dotnet#101086)

Fixes dotnet#101052
matouskozak · Apr 30, 2024 · dec42e7 · dec42e7
1 parent b9ead90
commit dec42e7
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/src/coreclr/ilasm/writer.cpp b/src/coreclr/ilasm/writer.cpp
@@ -34,6 +34,14 @@ HRESULT Assembler::InitMetaData()
     if (FAILED(hr))
         goto exit;
 
+    if(m_wzMetadataVersion)
+    {
+        VARIANT optionValue;
+        V_VT(&optionValue) = VT_BSTR;
+        V_BSTR(&optionValue) = m_wzMetadataVersion; // IMetaDataDispenserEx does not require proper BSTR
+        hr = m_pDisp->SetOption(MetaDataRuntimeVersion, &optionValue);
+    }
+
     hr = m_pDisp->DefineScope(CLSID_CorMetaDataRuntime, 0, IID_IMetaDataEmit3,
                         (IUnknown **)&m_pEmitter);
     if (FAILED(hr))