[clang] [Clang] [CodeGen] Fix codegen bug in constant initialisation in C23 mode (PR #84981)

[Eli Friedman via cfe-commits]

================
@@ -259,6 +259,10 @@ Bug Fixes in This Version
   operator.
   Fixes (#GH83267).
 
+- Clang no longer fails to codegen static ``const`` variables whose initialiser performs
+  a floating-point division by 0 in C23.
+  Fixes (#GH84784).
----------------
efriedma-quic wrote:

We usually only add release notes for things that are fixed between releases.  This wasn't broken in 18, so I don't think we need a release note.

https://github.com/llvm/llvm-project/pull/84981