diff options
Diffstat (limited to 'third_party/abseil-cpp/absl/flags/internal/flag.cc')
| -rw-r--r-- | third_party/abseil-cpp/absl/flags/internal/flag.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/third_party/abseil-cpp/absl/flags/internal/flag.cc b/third_party/abseil-cpp/absl/flags/internal/flag.cc index 1515022d11..cc656f9d13 100644 --- a/third_party/abseil-cpp/absl/flags/internal/flag.cc +++ b/third_party/abseil-cpp/absl/flags/internal/flag.cc @@ -30,6 +30,7 @@ #include "absl/base/call_once.h" #include "absl/base/casts.h" #include "absl/base/config.h" +#include "absl/base/dynamic_annotations.h" #include "absl/base/optimization.h" #include "absl/flags/config.h" #include "absl/flags/internal/commandlineflag.h" @@ -160,6 +161,8 @@ void FlagImpl::Init() { std::memcpy(buf.data() + Sizeof(op_), &initialized, sizeof(initialized)); } + // Type can contain valid uninitialized bits, e.g. padding. + ABSL_ANNOTATE_MEMORY_IS_INITIALIZED(buf.data(), buf.size()); OneWordValue().store(absl::bit_cast<int64_t>(buf), std::memory_order_release); break; @@ -205,7 +208,7 @@ void FlagImpl::AssertValidType(FlagFastTypeId rhs_type_id, if (lhs_runtime_type_id == rhs_runtime_type_id) return; -#if defined(ABSL_FLAGS_INTERNAL_HAS_RTTI) +#ifdef ABSL_INTERNAL_HAS_RTTI if (*lhs_runtime_type_id == *rhs_runtime_type_id) return; #endif @@ -403,7 +406,7 @@ template <typename StorageT> StorageT* FlagImpl::OffsetValue() const { char* p = reinterpret_cast<char*>(const_cast<FlagImpl*>(this)); // The offset is deduced via Flag value type specific op_. - size_t offset = flags_internal::ValueOffset(op_); + ptrdiff_t offset = flags_internal::ValueOffset(op_); return reinterpret_cast<StorageT*>(p + offset); } @@ -483,7 +486,7 @@ bool FlagImpl::ReadOneBool() const { } void FlagImpl::ReadSequenceLockedData(void* dst) const { - int size = Sizeof(op_); + size_t size = Sizeof(op_); // Attempt to read using the sequence lock. if (ABSL_PREDICT_TRUE(seq_lock_.TryRead(dst, AtomicBufferValue(), size))) { return; |