Export of internal Abseil changes

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

Cast to uint64_t using braces instead of parentheses.

PiperOrigin-RevId: 372475909

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

Expand # flat nodes into size detailed counters.

PiperOrigin-RevId: 372474608

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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

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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, 6 insertions, 6 deletions

diff --git a/absl/strings/cord.h b/absl/strings/cord.h
index 5c80a5cb..e758f1cd 100644
--- a/absl/strings/cord.h
+++ b/absl/strings/cord.h
@@ -1000,12 +1000,12 @@ constexpr Cord::InlineRep::InlineRep(cord_internal::InlineData data)
     : data_(data) {}
 
 inline Cord::InlineRep::InlineRep(const Cord::InlineRep& src)
-    : data_(src.data_) {
-  if (is_tree()) {
-    data_.clear_cordz_info();
-    absl::cord_internal::CordRep::Ref(as_tree());
-    CordzInfo::MaybeTrackCord(data_, src.data_,
-                              CordzUpdateTracker::kConstructorCord);
+    : data_(InlineData::kDefaultInit) {
+  if (CordRep* tree = src.tree()) {
+    EmplaceTree(CordRep::Ref(tree), src.data_,
+                CordzUpdateTracker::kConstructorCord);
+  } else {
+    data_ = src.data_;
   }
 }