[clang] [CIR] Upstream RTTI Builder & RTTI for VTable Definitions (PR #160002)

[Andy Kaylor via cfe-commits]

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@@ -250,6 +267,18 @@ class CIRGenModule : public CIRGenTypeCache {
   mlir::Attribute getAddrOfRTTIDescriptor(mlir::Location loc, QualType ty,
                                           bool forEH = false);
 
+  static mlir::SymbolTable::Visibility getCIRVisibility(Visibility v) {
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andykaylor wrote:

```suggestion
  static mlir::SymbolTable::Visibility getMLIRVisibility(Visibility v) {
```

https://github.com/llvm/llvm-project/pull/160002