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llvm · Sep 8, 2024 · 04178da · 04178da
1 parent 64bfc39
commit 04178da
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Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/libcxx/include/__algorithm/fill.h b/libcxx/include/__algorithm/fill.h
@@ -43,8 +43,7 @@ __fill(_RandomAccessIterator __first, _RandomAccessIterator __last, const _Tp& _
   std::fill_n(__first, __last - __first, __value);
 }
 
-template <class _SegmentedIterator,
-          class _Tp>
+template <class _SegmentedIterator, class _Tp>
 inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 void
 __fill(_SegmentedIterator __first, _SegmentedIterator __last, const _Tp& __value) {
   std::for_each(__first, __last, [__value](_Tp& __val) { __val = __value; });

diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.fill/fill_n.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.fill/fill_n.pass.cpp
@@ -15,6 +15,7 @@
 
 #include <algorithm>
 #include <cassert>
+#include <deque>
 
 #include "test_macros.h"
 #include "test_iterators.h"
@@ -144,6 +145,18 @@ void test6()
   std::fill_n(&foo[0], UDI(5), Storage());
 }
 
+void
+test_deque()
+{
+    std::deque<int> dq(5);
+    std::fill_n(dq.begin(), dq.size(), 4);
+    assert(dq[0] == 4);
+    assert(dq[1] == 4);
+    assert(dq[2] == 4);
+    assert(dq[3] == 4);
+    assert(dq[4] == 4);
+}
+
 
 int main(int, char**)
 {
@@ -171,4 +184,4 @@ int main(int, char**)
 #endif
 
   return 0;
-}
+}