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

[Andy Kaylor via cfe-commits]

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@@ -0,0 +1,503 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
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andykaylor wrote:

Rather than introducing a new test, could you just remove the `-fno-rtti` option from the existing `vtt.cpp` test and add the new checks?

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