[libcxx-commits] [libcxx] [libc++] Restore `__synth_three_way` lambda (PR #90398)

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git-clang-format --diff b8d0cba14bcfc5c1c2f7a878ad9eaa12b6a590b6 df28d4412c1d21b0e18896c92ac77d2fac7729f1 -- libcxx/include/__compare/synth_three_way.h libcxx/include/array libcxx/include/deque libcxx/include/forward_list libcxx/include/list libcxx/include/map libcxx/include/set libcxx/include/vector
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View the diff from clang-format here.
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diff --git a/libcxx/include/__compare/synth_three_way.h b/libcxx/include/__compare/synth_three_way.h
index e258d6a111..e48ce49799 100644
--- a/libcxx/include/__compare/synth_three_way.h
+++ b/libcxx/include/__compare/synth_three_way.h
@@ -25,8 +25,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 // [expos.only.func]
 
-_LIBCPP_HIDE_FROM_ABI inline constexpr auto __synth_three_way =
-    []<class _Tp, class _Up>(const _Tp& __t, const _Up& __u)
+_LIBCPP_HIDE_FROM_ABI inline constexpr auto __synth_three_way = []<class _Tp, class _Up>(const _Tp& __t, const _Up& __u)
   requires requires {
     { __t < __u } -> __boolean_testable;
     { __u < __t } -> __boolean_testable;

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https://github.com/llvm/llvm-project/pull/90398