[clang] [clang] Allow C-style casts in constexpr in MS compatible mode (PR #197005)

[via cfe-commits]

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@@ -812,6 +813,7 @@ class ASTContext : public RefCountedBase<ASTContext> {
   mutable DeclarationNameTable DeclarationNames;
   IntrusiveRefCntPtr<ExternalASTSource> ExternalSource;
   ASTMutationListener *Listener = nullptr;
+  SmallVector<PartialDiagnosticAt> *MSConstExprDiag = nullptr;
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eleviant wrote:

Please check the latest update

https://github.com/llvm/llvm-project/pull/197005