1 files changed, 20 insertions, 32 deletions

diff --git a/third_party/abseil-cpp/absl/strings/internal/cord_internal.cc b/third_party/abseil-cpp/absl/strings/internal/cord_internal.cc
index 1767e6fcc5..b6b06cfa2a 100644
--- a/third_party/abseil-cpp/absl/strings/internal/cord_internal.cc
+++ b/third_party/abseil-cpp/absl/strings/internal/cord_internal.cc
@@ -17,69 +17,57 @@
 #include <cassert>
 #include <memory>
 
+#include "absl/base/internal/raw_logging.h"
 #include "absl/container/inlined_vector.h"
 #include "absl/strings/internal/cord_rep_btree.h"
+#include "absl/strings/internal/cord_rep_crc.h"
 #include "absl/strings/internal/cord_rep_flat.h"
 #include "absl/strings/internal/cord_rep_ring.h"
+#include "absl/strings/str_cat.h"
 
 namespace absl {
 ABSL_NAMESPACE_BEGIN
 namespace cord_internal {
 
-ABSL_CONST_INIT std::atomic<bool> cord_btree_enabled(kCordEnableBtreeDefault);
 ABSL_CONST_INIT std::atomic<bool> cord_ring_buffer_enabled(
     kCordEnableRingBufferDefault);
 ABSL_CONST_INIT std::atomic<bool> shallow_subcords_enabled(
     kCordShallowSubcordsDefault);
 ABSL_CONST_INIT std::atomic<bool> cord_btree_exhaustive_validation(false);
 
+void LogFatalNodeType(CordRep* rep) {
+  ABSL_INTERNAL_LOG(FATAL, absl::StrCat("Unexpected node type: ",
+                                        static_cast<int>(rep->tag)));
+}
+
 void CordRep::Destroy(CordRep* rep) {
   assert(rep != nullptr);
 
-  absl::InlinedVector<CordRep*, Constants::kInlinedVectorSize> pending;
   while (true) {
     assert(!rep->refcount.IsImmortal());
-    if (rep->tag == CONCAT) {
-      CordRepConcat* rep_concat = rep->concat();
-      CordRep* right = rep_concat->right;
-      if (!right->refcount.Decrement()) {
-        pending.push_back(right);
-      }
-      CordRep* left = rep_concat->left;
-      delete rep_concat;
-      rep = nullptr;
-      if (!left->refcount.Decrement()) {
-        rep = left;
-        continue;
-      }
-    } else if (rep->tag == BTREE) {
+    if (rep->tag == BTREE) {
       CordRepBtree::Destroy(rep->btree());
-      rep = nullptr;
+      return;
     } else if (rep->tag == RING) {
       CordRepRing::Destroy(rep->ring());
-      rep = nullptr;
+      return;
     } else if (rep->tag == EXTERNAL) {
       CordRepExternal::Delete(rep);
-      rep = nullptr;
+      return;
     } else if (rep->tag == SUBSTRING) {
       CordRepSubstring* rep_substring = rep->substring();
-      CordRep* child = rep_substring->child;
+      rep = rep_substring->child;
       delete rep_substring;
-      rep = nullptr;
-      if (!child->refcount.Decrement()) {
-        rep = child;
-        continue;
+      if (rep->refcount.Decrement()) {
+        return;
       }
+    } else if (rep->tag == CRC) {
+      CordRepCrc::Destroy(rep->crc());
+      return;
     } else {
+      assert(rep->IsFlat());
       CordRepFlat::Delete(rep);
-      rep = nullptr;
-    }
-
-    if (!pending.empty()) {
-      rep = pending.back();
-      pending.pop_back();
-    } else {
-      break;
+      return;
     }
   }
 }