[libcxx] [llvm] [libc++] Kickstart C++29 support (PR #215820)

[Hristo Hristov via llvm-commits]

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@@ -1533,6 +1533,14 @@ def add_version_header(tc):
             },
             "headers": ["variant"],
         },
+        {
+            "name": "__cpp_lib_view_interface",
+            "values": {
+                "c++29": 202606,
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Zingam wrote:

This FTM addition affects the FTM tests/asserts. So at least one C++29 entry should be present or will need to revert the tests too. 

https://github.com/llvm/llvm-project/pull/215820