1 files changed, 20 insertions, 8 deletions

diff --git a/src/common/alignment.h b/src/common/alignment.h
index 32d796ffa..8570c7d3c 100644
--- a/src/common/alignment.h
+++ b/src/common/alignment.h
@@ -9,41 +9,48 @@
 namespace Common {
 
 template <typename T>
-requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUp(T value, size_t size) {
+requires std::is_unsigned_v<T>
+[[nodiscard]] constexpr T AlignUp(T value, size_t size) {
     auto mod{static_cast<T>(value % size)};
     value -= mod;
     return static_cast<T>(mod == T{0} ? value : value + size);
 }
 
 template <typename T>
-requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) {
+requires std::is_unsigned_v<T>
+[[nodiscard]] constexpr T AlignUpLog2(T value, size_t align_log2) {
     return static_cast<T>((value + ((1ULL << align_log2) - 1)) >> align_log2 << align_log2);
 }
 
 template <typename T>
-requires std::is_unsigned_v<T>[[nodiscard]] constexpr T AlignDown(T value, size_t size) {
+requires std::is_unsigned_v<T>
+[[nodiscard]] constexpr T AlignDown(T value, size_t size) {
     return static_cast<T>(value - value % size);
 }
 
 template <typename T>
-requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool Is4KBAligned(T value) {
+requires std::is_unsigned_v<T>
+[[nodiscard]] constexpr bool Is4KBAligned(T value) {
     return (value & 0xFFF) == 0;
 }
 
 template <typename T>
-requires std::is_unsigned_v<T>[[nodiscard]] constexpr bool IsWordAligned(T value) {
+requires std::is_unsigned_v<T>
+[[nodiscard]] constexpr bool IsWordAligned(T value) {
     return (value & 0b11) == 0;
 }
 
 template <typename T>
-requires std::is_integral_v<T>[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) {
+requires std::is_integral_v<T>
+[[nodiscard]] constexpr bool IsAligned(T value, size_t alignment) {
     using U = typename std::make_unsigned_t<T>;
     const U mask = static_cast<U>(alignment - 1);
     return (value & mask) == 0;
 }
 
 template <typename T, typename U>
-requires std::is_integral_v<T>[[nodiscard]] constexpr T DivideUp(T x, U y) {
+requires std::is_integral_v<T>
+[[nodiscard]] constexpr T DivideUp(T x, U y) {
     return (x + (y - 1)) / y;
 }
 
@@ -57,7 +64,7 @@ public:
     using propagate_on_container_copy_assignment = std::true_type;
     using propagate_on_container_move_assignment = std::true_type;
     using propagate_on_container_swap = std::true_type;
-    using is_always_equal = std::true_type;
+    using is_always_equal = std::false_type;
 
     constexpr AlignmentAllocator() noexcept = default;
 
@@ -76,6 +83,11 @@ public:
     struct rebind {
         using other = AlignmentAllocator<T2, Align>;
     };
+
+    template <typename T2, size_t Align2>
+    constexpr bool operator==(const AlignmentAllocator<T2, Align2>&) const noexcept {
+        return std::is_same_v<T, T2> && Align == Align2;
+    }
 };
 
 } // namespace Common