[clang] [clang] Fix crashes when initializing constexpr int* with floating-point (PR #180376)

[Mariya Podchishchaeva via cfe-commits]

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@@ -274,6 +274,7 @@ Miscellaneous Clang Crashes Fixed
 - Fixed a crash when using loop hint with a value dependent argument inside a
   generic lambda. (#GH172289)
 - Fixed a crash in C++ overload resolution with ``_Atomic``-qualified argument types. (#GH170433)
+- Fixed a crash when initializing a ``constexpr`` pointer with a floating-point literal. (#GH180313)
----------------
Fznamznon wrote:

```suggestion
- Fixed a crash when initializing a ``constexpr`` pointer with a floating-point literal in C23. (#GH180313)
```

https://github.com/llvm/llvm-project/pull/180376