[libcxx-commits] [libcxx] [libc++] Optimize std::is_heap_until (PR #209141)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions h,cpp -- libcxx/include/__algorithm/is_heap_until.h libcxx/test/std/algorithms/alg.sorting/alg.heap.operations/is.heap/ranges_is_heap_until.pass.cpp --diff_from_common_commit
``````````

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View the diff from clang-format here.
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``````````diff
diff --git a/libcxx/include/__algorithm/is_heap_until.h b/libcxx/include/__algorithm/is_heap_until.h
index cb5ea0373..725ca8aca 100644
--- a/libcxx/include/__algorithm/is_heap_until.h
+++ b/libcxx/include/__algorithm/is_heap_until.h
@@ -28,7 +28,7 @@ __is_heap_until(_Iter __first, _Iter __last, _Compare&& __comp) {
     return __last;
 
   auto __parent_last = __first + (__count - 1) / 2;
-  auto __child = __first;
+  auto __child       = __first;
   ++__child;
   for (; __first != __parent_last; ++__first) {
     if (__comp(*__first, *__child))

``````````

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https://github.com/llvm/llvm-project/pull/209141