diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/numbers.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/numbers.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/str_split.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/str_split.h
211c211
< //   // v[0] == "12", v[1] == "34", v[2] == "5"
---
> //   // v[0] == "12", v[1] == "35", v[2] == "5"
405c405
< //   // v[0] == " a ", v[1] == "b"
---
> //   // v[0] == "a", v[1] == "b"
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/stl_type_traits.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/stl_type_traits.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/char_map.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/char_map.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/memutil.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/memutil.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/str_join_internal.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/str_join_internal.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/resize_uninitialized.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/resize_uninitialized.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/ostringstream.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/ostringstream.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/utf8.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/utf8.h
16a17,20
> // If you need Unicode specific processing (for example being aware of
> // Unicode character boundaries, or knowledge of Unicode casing rules,
> // or various forms of equivalence and normalization), take a look at
> // files in i18n/utf8.
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/internal/str_split_internal.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/internal/str_split_internal.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/str_replace.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/str_replace.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/str_join.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/str_join.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/ascii.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/ascii.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/escaping.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/escaping.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/match.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/match.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/strip.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/strip.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/substitute.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/substitute.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/string_view.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/string_view.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/strings/str_cat.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/strings/str_cat.h
79,82c79,82
< // Enum that specifies the number of significant digits to return in a `Hex` or
< // `Dec` conversion and fill character to use. A `kZeroPad2` value, for example,
< // would produce hexadecimal strings such as "0A","0F" and a 'kSpacePad5' value
< // would produce hexadecimal strings such as "    A","    F".
---
> // Enum that specifies the number of significant digits to return in a `Hex`
> // conversion and fill character to use. A `kZeroPad2` value, for example, would
> // produce hexadecimal strings such as "0A","0F" and 'kSpacePad5' value would
> // produce hexadecimal strings such as "    A","    F".
130,133c130,131
<   explicit Hex(
<       Int v, PadSpec spec = absl::kNoPad,
<       typename std::enable_if<sizeof(Int) == 1 &&
<                               !std::is_pointer<Int>::value>::type* = nullptr)
---
>   explicit Hex(Int v, PadSpec spec = absl::kNoPad,
>                typename std::enable_if<sizeof(Int) == 1>::type* = nullptr)
136,139c134,135
<   explicit Hex(
<       Int v, PadSpec spec = absl::kNoPad,
<       typename std::enable_if<sizeof(Int) == 2 &&
<                               !std::is_pointer<Int>::value>::type* = nullptr)
---
>   explicit Hex(Int v, PadSpec spec = absl::kNoPad,
>                typename std::enable_if<sizeof(Int) == 2>::type* = nullptr)
142,145c138,139
<   explicit Hex(
<       Int v, PadSpec spec = absl::kNoPad,
<       typename std::enable_if<sizeof(Int) == 4 &&
<                               !std::is_pointer<Int>::value>::type* = nullptr)
---
>   explicit Hex(Int v, PadSpec spec = absl::kNoPad,
>                typename std::enable_if<sizeof(Int) == 4>::type* = nullptr)
148,151c142,143
<   explicit Hex(
<       Int v, PadSpec spec = absl::kNoPad,
<       typename std::enable_if<sizeof(Int) == 8 &&
<                               !std::is_pointer<Int>::value>::type* = nullptr)
---
>   explicit Hex(Int v, PadSpec spec = absl::kNoPad,
>                typename std::enable_if<sizeof(Int) == 8>::type* = nullptr)
153,155d144
<   template <typename Pointee>
<   explicit Hex(Pointee* v, PadSpec spec = absl::kNoPad)
<       : Hex(spec, reinterpret_cast<uintptr_t>(v)) {}
168,193d156
< // Dec
< // -----------------------------------------------------------------------------
< //
< // `Dec` stores a set of decimal std::string conversion parameters for use
< // within `AlphaNum` std::string conversions.  Dec is slower than the default
< // integer conversion, so use it only if you need padding.
< struct Dec {
<   uint64_t value;
<   uint8_t width;
<   char fill;
<   bool neg;
< 
<   template <typename Int>
<   explicit Dec(Int v, PadSpec spec = absl::kNoPad,
<                typename std::enable_if<(sizeof(Int) <= 8)>::type* = nullptr)
<       : value(v >= 0 ? static_cast<uint64_t>(v)
<                      : uint64_t{0} - static_cast<uint64_t>(v)),
<         width(spec == absl::kNoPad
<                   ? 1
<                   : spec >= absl::kSpacePad2 ? spec - absl::kSpacePad2 + 2
<                                              : spec - absl::kZeroPad2 + 2),
<         fill(spec >= absl::kSpacePad2 ? ' ' : '0'),
<         neg(v < 0) {}
< };
< 
< // -----------------------------------------------------------------------------
231d193
<   AlphaNum(Dec dec);  // NOLINT(runtime/explicit)
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/types/optional.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/types/optional.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/types/bad_optional_access.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/types/bad_optional_access.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/memory/memory.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/memory/memory.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/meta/type_traits.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/meta/type_traits.h
153d152
<  private:
203d201
<  private:
235d232
<  private:
268d264
<  private:
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/numeric/int128.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/numeric/int128.h
20,23c20,22
< // This header file defines 128-bit integer types.
< //
< // Currently, this file defines `uint128`, an unsigned 128-bit integer; a signed
< // 128-bit integer is forthcoming.
---
> // This header file defines 128-bit integer types. Currently, this file defines
> // `uint128`, an unsigned 128-bit integer; a signed 128-bit integer is
> // forthcoming.
41d39
< 
48,49c46,47
< // that occurs, existing well-behaved uses of `uint128` will continue to work
< // using that new type.
---
> // that occurs, existing uses of `uint128` will continue to work using that new
> // type.
73,75d70
< //   * The alignment requirement of `uint128` may differ from that of an
< //     intrinsic 128-bit integer type depending on platform and build
< //     configuration.
83,84c78,79
< //     uint64_t i = v;                         // Error
< //     uint64_t i = static_cast<uint64_t>(v);  // OK
---
> //     absl::uint64_t i = v;                         // Error
> //     absl::uint64_t i = static_cast<uint64_t>(v);  // OK
86,90c81
< class
< #if defined(ABSL_HAVE_INTRINSIC_INT128)
<     alignas(unsigned __int128)
< #endif  // ABSL_HAVE_INTRINSIC_INT128
<         uint128 {
---
> class alignas(16) uint128 {
274c265
< // Arithmetic operators.
---
> // Shift and arithmetic operators.
276,282c267
< uint128 operator<<(uint128 lhs, int amount);
< uint128 operator>>(uint128 lhs, int amount);
< uint128 operator+(uint128 lhs, uint128 rhs);
< uint128 operator-(uint128 lhs, uint128 rhs);
< uint128 operator*(uint128 lhs, uint128 rhs);
< uint128 operator/(uint128 lhs, uint128 rhs);
< uint128 operator%(uint128 lhs, uint128 rhs);
---
> inline uint128 operator<<(uint128 lhs, int amount) { return lhs <<= amount; }
284,287c269
< inline uint128& uint128::operator<<=(int amount) {
<   *this = *this << amount;
<   return *this;
< }
---
> inline uint128 operator>>(uint128 lhs, int amount) { return lhs >>= amount; }
289,292c271
< inline uint128& uint128::operator>>=(int amount) {
<   *this = *this >> amount;
<   return *this;
< }
---
> inline uint128 operator+(uint128 lhs, uint128 rhs) { return lhs += rhs; }
294,297c273
< inline uint128& uint128::operator+=(uint128 other) {
<   *this = *this + other;
<   return *this;
< }
---
> inline uint128 operator-(uint128 lhs, uint128 rhs) { return lhs -= rhs; }
299,302c275
< inline uint128& uint128::operator-=(uint128 other) {
<   *this = *this - other;
<   return *this;
< }
---
> inline uint128 operator*(uint128 lhs, uint128 rhs) { return lhs *= rhs; }
304,307c277
< inline uint128& uint128::operator*=(uint128 other) {
<   *this = *this * other;
<   return *this;
< }
---
> inline uint128 operator/(uint128 lhs, uint128 rhs) { return lhs /= rhs; }
309,317c279
< inline uint128& uint128::operator/=(uint128 other) {
<   *this = *this / other;
<   return *this;
< }
< 
< inline uint128& uint128::operator%=(uint128 other) {
<   *this = *this % other;
<   return *this;
< }
---
> inline uint128 operator%(uint128 lhs, uint128 rhs) { return lhs %= rhs; }
555c517,521
< // Arithmetic operators.
---
> // Shift and arithmetic assign operators.
> 
> inline uint128& uint128::operator<<=(int amount) {
>   assert(amount >= 0);   // Negative shifts are undefined.
>   assert(amount < 128);  // Shifts of >= 128 are undefined.
557d522
< inline uint128 operator<<(uint128 lhs, int amount) {
562,564c527,528
<       return MakeUint128(
<           (Uint128High64(lhs) << amount) | (Uint128Low64(lhs) >> (64 - amount)),
<           Uint128Low64(lhs) << amount);
---
>       hi_ = (hi_ << amount) | (lo_ >> (64 - amount));
>       lo_ = lo_ << amount;
566c530,532
<     return lhs;
---
>   } else {
>     hi_ = lo_ << (amount - 64);
>     lo_ = 0;
568c534
<   return MakeUint128(Uint128Low64(lhs) << (amount - 64), 0);
---
>   return *this;
571c537,540
< inline uint128 operator>>(uint128 lhs, int amount) {
---
> inline uint128& uint128::operator>>=(int amount) {
>   assert(amount >= 0);   // Negative shifts are undefined.
>   assert(amount < 128);  // Shifts of >= 128 are undefined.
> 
576,578c545,546
<       return MakeUint128(Uint128High64(lhs) >> amount,
<                          (Uint128Low64(lhs) >> amount) |
<                              (Uint128High64(lhs) << (64 - amount)));
---
>       lo_ = (lo_ >> amount) | (hi_ << (64 - amount));
>       hi_ = hi_ >> amount;
580c548,550
<     return lhs;
---
>   } else {
>     lo_ = hi_ >> (amount - 64);
>     hi_ = 0;
582c552
<   return MakeUint128(0, Uint128High64(lhs) >> (amount - 64));
---
>   return *this;
585,591c555,561
< inline uint128 operator+(uint128 lhs, uint128 rhs) {
<   uint128 result = MakeUint128(Uint128High64(lhs) + Uint128High64(rhs),
<                                Uint128Low64(lhs) + Uint128Low64(rhs));
<   if (Uint128Low64(result) < Uint128Low64(lhs)) {  // check for carry
<     return MakeUint128(Uint128High64(result) + 1, Uint128Low64(result));
<   }
<   return result;
---
> inline uint128& uint128::operator+=(uint128 other) {
>   hi_ += other.hi_;
>   uint64_t lolo = lo_ + other.lo_;
>   if (lolo < lo_)
>     ++hi_;
>   lo_ = lolo;
>   return *this;
594,600c564,568
< inline uint128 operator-(uint128 lhs, uint128 rhs) {
<   uint128 result = MakeUint128(Uint128High64(lhs) - Uint128High64(rhs),
<                                Uint128Low64(lhs) - Uint128Low64(rhs));
<   if (Uint128Low64(lhs) < Uint128Low64(rhs)) {  // check for carry
<     return MakeUint128(Uint128High64(result) - 1, Uint128Low64(result));
<   }
<   return result;
---
> inline uint128& uint128::operator-=(uint128 other) {
>   hi_ -= other.hi_;
>   if (other.lo_ > lo_) --hi_;
>   lo_ -= other.lo_;
>   return *this;
603c571
< inline uint128 operator*(uint128 lhs, uint128 rhs) {
---
> inline uint128& uint128::operator*=(uint128 other) {
607,608c575,577
<   return static_cast<unsigned __int128>(lhs) *
<          static_cast<unsigned __int128>(rhs);
---
>   *this = static_cast<unsigned __int128>(*this) *
>           static_cast<unsigned __int128>(other);
>   return *this;
610,620c579,587
<   uint64_t a32 = Uint128Low64(lhs) >> 32;
<   uint64_t a00 = Uint128Low64(lhs) & 0xffffffff;
<   uint64_t b32 = Uint128Low64(rhs) >> 32;
<   uint64_t b00 = Uint128Low64(rhs) & 0xffffffff;
<   uint128 result =
<       MakeUint128(Uint128High64(lhs) * Uint128Low64(rhs) +
<                       Uint128Low64(lhs) * Uint128High64(rhs) + a32 * b32,
<                   a00 * b00);
<   result += uint128(a32 * b00) << 32;
<   result += uint128(a00 * b32) << 32;
<   return result;
---
>   uint64_t a32 = lo_ >> 32;
>   uint64_t a00 = lo_ & 0xffffffff;
>   uint64_t b32 = other.lo_ >> 32;
>   uint64_t b00 = other.lo_ & 0xffffffff;
>   hi_ = hi_ * other.lo_ + lo_ * other.hi_ + a32 * b32;
>   lo_ = a00 * b00;
>   *this += uint128(a32 * b00) << 32;
>   *this += uint128(a00 * b32) << 32;
>   return *this;
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/policy_checks.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/policy_checks.h
49,50c49,50
< #if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023918 && !defined(__clang__)
< #error "This package requires Visual Studio 2015 Update 2 or higher."
---
> #if defined(_MSC_FULL_VER) && _MSC_FULL_VER < 190023918
> #error "This package requires Visual Studio 2015 Update 2 or higher"
57c57
< #error "This package requires gcc 4.7 or higher."
---
> #error "This package requires gcc 4.7 or higher"
65c65
< #error "This package requires __apple_build_version__ of 4211165 or higher."
---
> #error "This package requires __apple_build_version__ of 4211165 or higher"
99,120d98
< // -----------------------------------------------------------------------------
< // `char` Size Check
< // -----------------------------------------------------------------------------
< 
< // Abseil currently assumes CHAR_BIT == 8. If you would like to use Abseil on a
< // platform where this is not the case, please provide us with the details about
< // your platform so we can consider relaxing this requirement.
< #if CHAR_BIT != 8
< #error "Abseil assumes CHAR_BIT == 8."
< #endif
< 
< // -----------------------------------------------------------------------------
< // `int` Size Check
< // -----------------------------------------------------------------------------
< 
< // Abseil currently assumes that an int is 4 bytes. If you would like to use
< // Abseil on a platform where this is not the case, please provide us with the
< // details about your platform so we can consider relaxing this requirement.
< #if INT_MAX < 2147483647
< #error "Abseil assumes that int is at least 4 bytes. "
< #endif
< 
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/port.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/port.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/config.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/config.h
141c141,144
< #elif defined(__APPLE__)
---
> #elif (!defined(__apple_build_version__) || \
>        (__apple_build_version__ >= 8000042)) && \
>       !(defined(__APPLE__) && TARGET_OS_IPHONE && \
>         __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0)
143,150c146
< // 8, and even then not for all iOS < 9.0. Also, Xcode 9.3 started disallowing
< // `thread_local` for 32-bit iOS simulator targeting iOS 9.x.
< // `__has_feature` is only supported by Clang so it has be inside
< // `defined(__APPLE__)` check.
< #if __has_feature(cxx_thread_local)
< #define ABSL_HAVE_THREAD_LOCAL 1
< #endif
< #else  // !defined(__APPLE__)
---
> // 8, and even then not for all iOS < 9.0.
183,192c179,182
< // Note: __SIZEOF_INT128__ is defined by Clang and GCC when __int128 is
< // supported, but we avoid using it in certain cases:
< // * On Clang:
< //   * Building using Clang for Windows, where the Clang runtime library has
< //     128-bit support only on LP64 architectures, but Windows is LLP64.
< //   * Building for aarch64, where __int128 exists but has exhibits a sporadic
< //     compiler crashing bug.
< // * On Nvidia's nvcc:
< //   * nvcc also defines __GNUC__ and __SIZEOF_INT128__, but not all versions
< //     actually support __int128.
---
> // Notes: __SIZEOF_INT128__ is defined by Clang and GCC when __int128 is
> // supported, except on ppc64 and aarch64 where __int128 exists but has exhibits
> // a sporadic compiler crashing bug. Nvidia's nvcc also defines __GNUC__ and
> // __SIZEOF_INT128__ but not all versions actually support __int128.
196,198c186,188
< #if (defined(__clang__) && !defined(_WIN32) && !defined(__aarch64__)) || \
<     (defined(__CUDACC__) && __CUDACC_VER_MAJOR__ >= 9) ||                \
<     (defined(__GNUC__) && !defined(__clang__) && !defined(__CUDACC__))
---
> #if (defined(__clang__) && !defined(__aarch64__)) ||      \
>     (defined(__CUDACC__) && __CUDACC_VER_MAJOR__ >= 9) || \
>     (!defined(__clang__) && !defined(__CUDACC__) && defined(__GNUC__))
257d246
< //   WebAssembly                       __wasm__
271c260
<     defined(__wasm__) || defined(__Fuchsia__)
---
>     defined(__Fuchsia__)
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/endian.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/endian.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/unaligned_access.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/unaligned_access.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/inline_variable_testing.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/inline_variable_testing.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/inline_variable.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/inline_variable.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/atomic_hook.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/atomic_hook.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/identity.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/identity.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/raw_logging.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/raw_logging.h
77,83d76
< // Writes the provided buffer directly to stderr, in a safe, low-level manner.
< //
< // In POSIX this means calling write(), which is async-signal safe and does
< // not malloc.  If the platform supports the SYS_write syscall, we invoke that
< // directly to side-step any libc interception.
< void SafeWriteToStderr(const char *s, size_t len);
< 
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/internal/throw_delegate.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/internal/throw_delegate.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/attributes.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/attributes.h
530,539d529
< // ABSL_ATTRIBUTE_FUNC_ALIGN
< //
< // Tells the compiler to align the function start at least to certain
< // alignment boundary
< #if ABSL_HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__))
< #define ABSL_ATTRIBUTE_FUNC_ALIGN(bytes) __attribute__((aligned(bytes)))
< #else
< #define ABSL_ATTRIBUTE_FUNC_ALIGN(bytes)
< #endif
< 
546,548c536
< // "static init order fiasco".  Prefer to put this attribute on the most visible
< // declaration of the variable, if there's more than one, because code that
< // accesses the variable can then use the attribute for optimization.
---
> // "static init order fiasco".
552,557c540
< //   class MyClass {
< //    public:
< //     ABSL_CONST_INIT static MyType my_var;
< //   };
< //
< //   MyType MyClass::my_var = MakeMyType(...);
---
> //   ABSL_CONST_INIT static MyType my_var = MakeMyType(...);
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/macros.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/macros.h
49c49
< auto ArraySizeHelper(const T (&array)[N]) -> char (&)[N];
---
> char (&ArraySizeHelper(T (&array)[N]))[N];
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/optimization.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/optimization.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/log_severity.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/log_severity.h
25,27d24
< // Four severity levels are defined.  Logging APIs should terminate the program
< // when a message is logged at severity `kFatal`; the other levels have no
< // special semantics.
42,43d38
< // Returns the all-caps std::string representation (e.g. "INFO") of the specified
< // severity level if it is one of the normal levels and "UNKNOWN" otherwise.
54,55c49
< // Values less than `kInfo` normalize to `kInfo`; values greater than `kFatal`
< // normalize to `kError` (**NOT** `kFatal`).
---
> // Note that out-of-range severities normalize to kInfo or kError, never kFatal.
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/base/dynamic_annotations.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/base/dynamic_annotations.h
diff /Users/zxu/Documents/GitHub/firebase-ios-sdk/Firestore/third_party/abseil-cpp/absl/utility/utility.h /Users/zxu/Documents/GitHub/abseil-cpp/absl/utility/utility.h