[clang] [serialization] no transitive decl change (PR #92083)

[Michael Buch via cfe-commits]

Michael137 wrote:

I.e., also broke the macOS LLDB buildbots: https://green.lab.llvm.org/job/llvm.org/view/LLDB/job/lldb-cmake/2637/execution/node/97/log/

```
Assertion failed: (!((*IDAddress) >> 48) && "We should only set the module ID once"), function setOwningModuleID, file DeclBase.cpp, line 132.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
```

https://github.com/llvm/llvm-project/pull/92083