[clang] [clang] Implement CWG3135 - constexpr structured bindings with prvalues from tuples (PR #191880)

[Vlad Serebrennikov via cfe-commits]

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@@ -0,0 +1,36 @@
+// RUN: %clang_cc1 -std=c++2c -fsyntax-only -verify %s
+// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -std=c++2c -fsyntax-only -verify %s
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Endilll wrote:

This won't do: conformance tests has to run in all language modes. If you also want to test the new constant interpreter, you can take RUN lines from `cwg14xx.cpp`. Also, why is this test not in `cwg31xx.cpp`?

https://github.com/llvm/llvm-project/pull/191880