2 files changed, 22 insertions, 17 deletions

diff --git a/absl/container/btree_test.cc b/absl/container/btree_test.cc
index a330cca32b90..3ac97f89a8b7 100644
--- a/absl/container/btree_test.cc
+++ b/absl/container/btree_test.cc
@@ -323,6 +323,7 @@ class unique_checker : public base_checker<TreeType, CheckerType> {
   unique_checker(const unique_checker &x) : super_type(x) {}
   template <class InputIterator>
   unique_checker(InputIterator b, InputIterator e) : super_type(b, e) {}
+  unique_checker& operator=(const unique_checker&) = default;
 
   // Insertion routines.
   std::pair<iterator, bool> insert(const value_type &x) {
@@ -370,6 +371,7 @@ class multi_checker : public base_checker<TreeType, CheckerType> {
   multi_checker(const multi_checker &x) : super_type(x) {}
   template <class InputIterator>
   multi_checker(InputIterator b, InputIterator e) : super_type(b, e) {}
+  multi_checker& operator=(const multi_checker&) = default;
 
   // Insertion routines.
   iterator insert(const value_type &x) {
diff --git a/absl/container/inlined_vector_benchmark.cc b/absl/container/inlined_vector_benchmark.cc
index b99bbd62544f..3f2b4ed28a57 100644
--- a/absl/container/inlined_vector_benchmark.cc
+++ b/absl/container/inlined_vector_benchmark.cc
@@ -25,42 +25,45 @@
 namespace {
 
 void BM_InlinedVectorFill(benchmark::State& state) {
+  const int len = state.range(0);
   absl::InlinedVector<int, 8> v;
-  int val = 10;
+  v.reserve(len);
   for (auto _ : state) {
+    v.resize(0);  // Use resize(0) as InlinedVector releases storage on clear().
+    for (int i = 0; i < len; ++i) {
+      v.push_back(i);
+    }
     benchmark::DoNotOptimize(v);
-    v.push_back(val);
   }
 }
-BENCHMARK(BM_InlinedVectorFill)->Range(0, 1024);
+BENCHMARK(BM_InlinedVectorFill)->Range(1, 256);
 
 void BM_InlinedVectorFillRange(benchmark::State& state) {
   const int len = state.range(0);
-  std::unique_ptr<int[]> ia(new int[len]);
-  for (int i = 0; i < len; i++) {
-    ia[i] = i;
-  }
-  auto* from = ia.get();
-  auto* to = from + len;
+  const std::vector<int> src(len, len);
+  absl::InlinedVector<int, 8> v;
+  v.reserve(len);
   for (auto _ : state) {
-    benchmark::DoNotOptimize(from);
-    benchmark::DoNotOptimize(to);
-    absl::InlinedVector<int, 8> v(from, to);
+    benchmark::DoNotOptimize(src);
+    v.assign(src.begin(), src.end());
     benchmark::DoNotOptimize(v);
   }
 }
-BENCHMARK(BM_InlinedVectorFillRange)->Range(0, 1024);
+BENCHMARK(BM_InlinedVectorFillRange)->Range(1, 256);
 
 void BM_StdVectorFill(benchmark::State& state) {
+  const int len = state.range(0);
   std::vector<int> v;
-  int val = 10;
+  v.reserve(len);
   for (auto _ : state) {
+    v.clear();
+    for (int i = 0; i < len; ++i) {
+      v.push_back(i);
+    }
     benchmark::DoNotOptimize(v);
-    benchmark::DoNotOptimize(val);
-    v.push_back(val);
   }
 }
-BENCHMARK(BM_StdVectorFill)->Range(0, 1024);
+BENCHMARK(BM_StdVectorFill)->Range(1, 256);
 
 // The purpose of the next two benchmarks is to verify that
 // absl::InlinedVector is efficient when moving is more efficent than