Avoid instantiating abstract class (#27589)

dotnet · Nov 4, 2019 · 0b44119 · 0b44119
1 parent fd418f6
commit 0b44119
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/tools/crossgen2/ILCompiler.ReadyToRun/JitInterface/CorInfoImpl.ReadyToRun.cs b/src/tools/crossgen2/ILCompiler.ReadyToRun/JitInterface/CorInfoImpl.ReadyToRun.cs
@@ -758,6 +758,11 @@ private CorInfoHelpFunc getCastingHelper(ref CORINFO_RESOLVED_TOKEN pResolvedTok
         private CorInfoHelpFunc getNewHelper(ref CORINFO_RESOLVED_TOKEN pResolvedToken, CORINFO_METHOD_STRUCT_* callerHandle, byte* pHasSideEffects = null)
         {
             TypeDesc type = HandleToObject(pResolvedToken.hClass);
+            MetadataType metadataType = type as MetadataType;
+            if (metadataType != null && metadataType.IsAbstract)
+            {
+                ThrowHelper.ThrowInvalidProgramException(ExceptionStringID.InvalidProgramSpecific, HandleToObject(callerHandle));
+            }
 
             if (pHasSideEffects != null)
             {