[clang] Add support for builtin_verbose_trap (PR #79230)

[Akira Hatanaka via cfe-commits]

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@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -std=c++11 -fsyntax-only -fcxx-exceptions -verify %s
+
+#if !__has_builtin(__builtin_verbose_trap)
+#error
+#endif
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ahatanak wrote:

This just makes sure the builtin is supported unconditionally and doesn't depend on some features or anything (cc @ldionne ).

https://github.com/llvm/llvm-project/pull/79230