Fix comment

Author: ldionne

libcxx/include/__memory/compressed_pair.h

@@ -52,15 +52,16 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 // member3 - offset: 8, size: 8
 //
 // Furthermore, that alignment must be the same as what was used in the old __compressed_pair layout, so we must
-// handle reference types specially since alignof(T&) == alignof(T). See https://github.com/llvm/llvm-project/issues/118559.
+// handle reference types specially since alignof(T&) == alignof(T).
+// See https://github.com/llvm/llvm-project/issues/118559.
 
 #ifndef _LIBCPP_ABI_NO_COMPRESSED_PAIR_PADDING
 
 template <class _Tp>
-struct __compressed_pair_alignment : integral_constant<size_t, _LIBCPP_ALIGNOF(_Tp)> {};
+inline const size_t __compressed_pair_alignment = _LIBCPP_ALIGNOF(_Tp);
 
 template <class _Tp>
-struct __compressed_pair_alignment<_Tp&> : integral_constant<size_t, _LIBCPP_ALIGNOF(void*)> {};
+inline const size_t __compressed_pair_alignment<_Tp&> = _LIBCPP_ALIGNOF(void*);
 
 template <class _ToPad,
           bool _Empty = ((is_empty<_ToPad>::value && !__libcpp_is_final<_ToPad>::value) ||
@@ -73,16 +74,15 @@ template <class _ToPad>
 class __compressed_pair_padding<_ToPad, true> {};
 
 #  define _LIBCPP_COMPRESSED_PAIR(T1, Initializer1, T2, Initializer2)                                                  \
-    _LIBCPP_NO_UNIQUE_ADDRESS                                                                                          \
-    __attribute__((__aligned__(::std::__compressed_pair_alignment<T2>::value))) T1 Initializer1;                       \
+    _LIBCPP_NO_UNIQUE_ADDRESS __attribute__((__aligned__(::std::__compressed_pair_alignment<T2>))) T1 Initializer1;    \
     _LIBCPP_NO_UNIQUE_ADDRESS ::std::__compressed_pair_padding<T1> _LIBCPP_CONCAT3(__padding1_, __LINE__, _);          \
     _LIBCPP_NO_UNIQUE_ADDRESS T2 Initializer2;                                                                         \
     _LIBCPP_NO_UNIQUE_ADDRESS ::std::__compressed_pair_padding<T2> _LIBCPP_CONCAT3(__padding2_, __LINE__, _)
 
 #  define _LIBCPP_COMPRESSED_TRIPLE(T1, Initializer1, T2, Initializer2, T3, Initializer3)                              \
     _LIBCPP_NO_UNIQUE_ADDRESS                                                                                          \
-    __attribute__((__aligned__(::std::__compressed_pair_alignment<T2>::value),                                         \
-                   __aligned__(::std::__compressed_pair_alignment<T3>::value))) T1 Initializer1;                       \
+    __attribute__((__aligned__(::std::__compressed_pair_alignment<T2>),                                                \
+                   __aligned__(::std::__compressed_pair_alignment<T3>))) T1 Initializer1;                              \
     _LIBCPP_NO_UNIQUE_ADDRESS ::std::__compressed_pair_padding<T1> _LIBCPP_CONCAT3(__padding1_, __LINE__, _);          \
     _LIBCPP_NO_UNIQUE_ADDRESS T2 Initializer2;                                                                         \
     _LIBCPP_NO_UNIQUE_ADDRESS ::std::__compressed_pair_padding<T2> _LIBCPP_CONCAT3(__padding2_, __LINE__, _);          \