[clang] [clang][constexpr] Allow IndirectGotoStmt in constexpr functions for C++23 (PR #213449)

[Yanzuo Liu via cfe-commits]

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@@ -0,0 +1,12 @@
+// RUN: %clang_cc1 -fcxx-exceptions -verify=beforecxx14,beforecxx20,beforecxx23 -std=c++11 %s
+// RUN: %clang_cc1 -fcxx-exceptions -verify=beforecxx20,beforecxx23 -std=c++14 %s
+// RUN: %clang_cc1 -fcxx-exceptions -verify=beforecxx23 -std=c++20  %s
+// RUN: %clang_cc1 -fcxx-exceptions -std=c++23 %s
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zwuis wrote:

Is `-fcxx-exceptions` necessary?

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Missing `-fsyntax-only`.

https://github.com/llvm/llvm-project/pull/213449