Export of internal Abseil changes

--
51e9291d9bc385082b4061fe760b236ba59c79c3 by Abseil Team <absl-team@google.com>:

Cast to uint64_t using braces instead of parentheses.

PiperOrigin-RevId: 372475909

--
939fc409855da2639dcaf2d1d4971ca0e0568d03 by Martijn Vels <mvels@google.com>:

Expand # flat nodes into size detailed counters.

PiperOrigin-RevId: 372474608

--
54b158c99b32f8a14821ce74fed0f9f836525ce7 by Martijn Vels <mvels@google.com>:

Make copies of sampled cords sampled as well

This applies to the following methods:
- Cord(const Cord&)
- operator=(const Cord&)
- Subcord(...)

PiperOrigin-RevId: 372468160

--
876c2581ce008871464e8b471efbb967d150f83b by Andy Getzendanner <durandal@google.com>:

Document the type of an ABSL_FLAGS.OnUpdate() callback.

PiperOrigin-RevId: 372406390
GitOrigin-RevId: 51e9291d9bc385082b4061fe760b236ba59c79c3
Change-Id: Ifb75122cae56b66c28128aee90a63bbb28d93817

1 files changed, 3 insertions, 3 deletions

diff --git a/absl/strings/charconv.cc b/absl/strings/charconv.cc
index b8674c28..fefcfc90 100644
--- a/absl/strings/charconv.cc
+++ b/absl/strings/charconv.cc
@@ -111,7 +111,7 @@ struct FloatTraits<double> {
     return sign ? -ldexp(mantissa, exponent) : ldexp(mantissa, exponent);
 #else
     constexpr uint64_t kMantissaMask =
-        (uint64_t(1) << (kTargetMantissaBits - 1)) - 1;
+        (uint64_t{1} << (kTargetMantissaBits - 1)) - 1;
     uint64_t dbl = static_cast<uint64_t>(sign) << 63;
     if (mantissa > kMantissaMask) {
       // Normal value.
@@ -151,7 +151,7 @@ struct FloatTraits<float> {
     return sign ? -ldexpf(mantissa, exponent) : ldexpf(mantissa, exponent);
 #else
     constexpr uint32_t kMantissaMask =
-        (uint32_t(1) << (kTargetMantissaBits - 1)) - 1;
+        (uint32_t{1} << (kTargetMantissaBits - 1)) - 1;
     uint32_t flt = static_cast<uint32_t>(sign) << 31;
     if (mantissa > kMantissaMask) {
       // Normal value.
@@ -499,7 +499,7 @@ bool MustRoundUp(uint64_t guess_mantissa, int guess_exponent,
 template <typename FloatType>
 CalculatedFloat CalculatedFloatFromRawValues(uint64_t mantissa, int exponent) {
   CalculatedFloat result;
-  if (mantissa == uint64_t(1) << FloatTraits<FloatType>::kTargetMantissaBits) {
+  if (mantissa == uint64_t{1} << FloatTraits<FloatType>::kTargetMantissaBits) {
     mantissa >>= 1;
     exponent += 1;
   }