diff options
Diffstat (limited to 'absl/container/internal/layout.h')
-rw-r--r-- | absl/container/internal/layout.h | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/absl/container/internal/layout.h b/absl/container/internal/layout.h index 676c7d67ee68..a9c1244a4e79 100644 --- a/absl/container/internal/layout.h +++ b/absl/container/internal/layout.h @@ -232,13 +232,17 @@ struct SizeOf : NotAligned<T>, std::integral_constant<size_t, sizeof(T)> {}; template <class T, size_t N> struct SizeOf<Aligned<T, N>> : std::integral_constant<size_t, sizeof(T)> {}; +// Note: workaround for https://gcc.gnu.org/PR88115 template <class T> -struct AlignOf : NotAligned<T>, std::integral_constant<size_t, alignof(T)> {}; +struct AlignOf : NotAligned<T> { + static constexpr size_t value = alignof(T); +}; template <class T, size_t N> -struct AlignOf<Aligned<T, N>> : std::integral_constant<size_t, N> { +struct AlignOf<Aligned<T, N>> { static_assert(N % alignof(T) == 0, "Custom alignment can't be lower than the type's alignment"); + static constexpr size_t value = N; }; // Does `Ts...` contain `T`? @@ -290,7 +294,7 @@ std::string TypeName() { #ifdef ABSL_INTERNAL_HAS_CXA_DEMANGLE demangled = abi::__cxa_demangle(typeid(T).name(), nullptr, nullptr, &status); #endif - if (status == 0 && demangled != nullptr) { // Demangling succeeeded. + if (status == 0 && demangled != nullptr) { // Demangling succeeded. absl::StrAppend(&out, "<", demangled, ">"); free(demangled); } else { @@ -396,7 +400,7 @@ class LayoutImpl<std::tuple<Elements...>, absl::index_sequence<SizeSeq...>, static_assert(N < NumOffsets, "Index out of bounds"); return adl_barrier::Align( Offset<N - 1>() + SizeOf<ElementType<N - 1>>() * size_[N - 1], - ElementAlignment<N>()); + ElementAlignment<N>::value); } // Offset in bytes of the array with the specified element type. There must @@ -445,7 +449,7 @@ class LayoutImpl<std::tuple<Elements...>, absl::index_sequence<SizeSeq...>, return Size<ElementIndex<T>()>(); } - // The number of elements of all arrays for which they are known. + // The number of elements of all arrays for which they are known. constexpr std::array<size_t, NumSizes> Sizes() const { return {{Size<SizeSeq>()...}}; } @@ -610,7 +614,7 @@ class LayoutImpl<std::tuple<Elements...>, absl::index_sequence<SizeSeq...>, #ifdef ADDRESS_SANITIZER PoisonPadding<Char, N - 1>(p); // The `if` is an optimization. It doesn't affect the observable behaviour. - if (ElementAlignment<N - 1>() % ElementAlignment<N>()) { + if (ElementAlignment<N - 1>::value % ElementAlignment<N>::value) { size_t start = Offset<N - 1>() + SizeOf<ElementType<N - 1>>() * size_[N - 1]; ASAN_POISON_MEMORY_REGION(p + start, Offset<N>() - start); @@ -690,7 +694,7 @@ class Layout : public internal_layout::LayoutType<sizeof...(Ts), Ts...> { // // It's allowed to pass fewer array sizes than the number of arrays. E.g., // if all you need is to the offset of the second array, you only need to - // pass one argument -- the number of elements in the first arrays. + // pass one argument -- the number of elements in the first array. // // // int[3] followed by 4 bytes of padding and an unknown number of // // doubles. |