[clang] [clang] Avoid triggering vtable instantiation for C++23 constexpr dtor (PR #102605)

[Mariya Podchishchaeva via cfe-commits]

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@@ -0,0 +1,22 @@
+// RUN: %clang_cc1 -std=c++23 -fsyntax-only -verify %s
+// expected-no-diagnostics
+
+template <typename T> static void destroy() {
+    T t;
+    ++t;
+}
+
+struct Incomplete;
+
+template <typename = int> struct HasD {
+  ~HasD() { destroy<Incomplete*>(); }
+};
+
+struct HasVT {
+  virtual ~HasVT();
+};
+
+struct S : HasVT {
+  HasD<> v;
+};
+
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Fznamznon wrote:

I don't think there NO tests checking that complain?

https://github.com/llvm/llvm-project/pull/102605