[clang] [clang][ExtractAPI] Fix handling of anonymous TagDecls (PR #87772)

[Daniel Grumberg via cfe-commits]

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@@ -54,6 +54,13 @@ RecordContext *APIRecord::castToRecordContext(const APIRecord *Record) {
   }
 }
 
+void RecordContext::stealRecordChain(RecordContext &Other) {
+  First = Other.First;
+  Last = Other.Last;
+  Other.First = nullptr;
+  Other.Last = nullptr;
+}
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daniel-grumberg wrote:

There is no harm in "stealing" an empty record chain, and it's not necessarily even semantically wrong, all it indicates is that the current RecordContext won't have any children during any traversals. Semantic problems would still be caught by having a test.

https://github.com/llvm/llvm-project/pull/87772