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Crash fixes for CopyInherited #7709

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Nov 1, 2022
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ private static void InheritDoc(MetadataItem dest, ResolverContext context)
Debug.Assert(dest.Parent.Type == MemberType.Class);

//try to find the base class
if (dest.Parent.Inheritance?.Count == 0)
if (dest.Parent.Inheritance == null || dest.Parent.Inheritance.Count == 0)
{
return;
}
Expand Down Expand Up @@ -128,7 +128,7 @@ private static void Copy(MetadataItem dest, string srcName, ResolverContext cont
MetadataItem src = null;

// An explicit <inheritdoc/> (i.e. cref) overrides the default behavior
if (!string.IsNullOrEmpty(dest.InheritDoc) && context.Members.TryGetValue(dest.InheritDoc, out src))
if (!string.IsNullOrEmpty(dest.InheritDoc) && context.Members.TryGetValue(dest.InheritDoc, out src) && dest != src)
{
srcName = dest.InheritDoc;
}
Expand Down