chromium/chromium-89-EnumTable-crash.patch
2021-03-24 10:00:53 -04:00

72 lines
2.6 KiB
Diff

diff --git a/components/cast_channel/enum_table.h b/components/cast_channel/enum_table.h
index e3130c7..2ad16ea 100644
--- a/components/cast_channel/enum_table.h
+++ b/components/cast_channel/enum_table.h
@@ -212,7 +212,7 @@ class
template <typename E>
friend class EnumTable;
- DISALLOW_COPY_AND_ASSIGN(GenericEnumTableEntry);
+ DISALLOW_ASSIGN(GenericEnumTableEntry);
};
// Yes, these constructors really needs to be inlined. Even though they look
@@ -250,8 +250,7 @@ class EnumTable {
// Constructor for regular entries.
constexpr Entry(E value, base::StringPiece str)
: GenericEnumTableEntry(static_cast<int32_t>(value), str) {}
-
- DISALLOW_COPY_AND_ASSIGN(Entry);
+ DISALLOW_ASSIGN(Entry);
};
static_assert(sizeof(E) <= sizeof(int32_t),
@@ -306,15 +305,14 @@ class EnumTable {
if (is_sorted_) {
const std::size_t index = static_cast<std::size_t>(value);
if (ANALYZER_ASSUME_TRUE(index < data_.size())) {
- const auto& entry = data_.begin()[index];
+ const auto& entry = data_[index];
if (ANALYZER_ASSUME_TRUE(entry.has_str()))
return entry.str();
}
return base::nullopt;
}
return GenericEnumTableEntry::FindByValue(
- reinterpret_cast<const GenericEnumTableEntry*>(data_.begin()),
- data_.size(), static_cast<int32_t>(value));
+ &data_[0], data_.size(), static_cast<int32_t>(value));
}
// This overload of GetString is designed for cases where the argument is a
@@ -342,8 +340,7 @@ class EnumTable {
// enum value directly.
base::Optional<E> GetEnum(base::StringPiece str) const {
auto* entry = GenericEnumTableEntry::FindByString(
- reinterpret_cast<const GenericEnumTableEntry*>(data_.begin()),
- data_.size(), str);
+ &data_[0], data_.size(), str);
return entry ? static_cast<E>(entry->value) : base::Optional<E>();
}
@@ -358,7 +355,7 @@ class EnumTable {
// Align the data on a cache line boundary.
alignas(64)
#endif
- std::initializer_list<Entry> data_;
+ const std::vector<Entry> data_;
bool is_sorted_;
constexpr EnumTable(std::initializer_list<Entry> data, bool is_sorted)
@@ -370,8 +367,8 @@ class EnumTable {
for (std::size_t i = 0; i < data.size(); i++) {
for (std::size_t j = i + 1; j < data.size(); j++) {
- const Entry& ei = data.begin()[i];
- const Entry& ej = data.begin()[j];
+ const Entry& ei = data[i];
+ const Entry& ej = data[j];
DCHECK(ei.value != ej.value)
<< "Found duplicate enum values at indices " << i << " and " << j;
DCHECK(!(ei.has_str() && ej.has_str() && ei.str() == ej.str()))