[clang] [Clang] Fix crash when comparing fixed point type with BitInt (PR #199912)

[via cfe-commits]

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@@ -610,6 +559,7 @@ Improvements to Coverage Mapping
 Bug Fixes in This Version
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+- Fixed a crash when comparing a fixed point type with a ``_BitInt`` type. (#GH196948)
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TPPPP72 wrote:

```suggestion
- Fixed a assertion when comparing a fixed point type with a ``_BitInt`` type. (#GH196948)
```

It's a assertion not a crash

https://github.com/llvm/llvm-project/pull/199912