Export of internal Abseil changes.

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008301e65c323ea0b78e4a92221bf43f7f01e358 by Abseil Team <absl-team@google.com>:

Add k...Pad17 through 20 PadSpec enum values.

PiperOrigin-RevId: 223371590

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ad0580b0a215257044e090181630793b7e5e9ab0 by Jon Cohen <cohenjon@google.com>:

Make the table in the prefetch check not fit in L2 cache.  This should help deflake the test.

PiperOrigin-RevId: 223224646

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77c76690626b89944946d01da5e3428b763103e8 by Abseil Team <absl-team@google.com>:

Fixed typo in container by replacing asbl::Hash with absl::Hash.

PiperOrigin-RevId: 223083789
GitOrigin-RevId: 008301e65c323ea0b78e4a92221bf43f7f01e358
Change-Id: I81399f09cd82fbb27bcfec4c1517bb5d2fd07f3b

7 files changed, 18 insertions, 9 deletions

diff --git a/absl/container/flat_hash_map.h b/absl/container/flat_hash_map.h
index 7bc21380..cc3d8b69 100644
--- a/absl/container/flat_hash_map.h
+++ b/absl/container/flat_hash_map.h
@@ -70,7 +70,7 @@ struct FlatHashMapPolicy;
 // By default, `flat_hash_map` uses the `absl::Hash` hashing framework.
 // All fundamental and Abseil types that support the `absl::Hash` framework have
 // a compatible equality operator for comparing insertions into `flat_hash_map`.
-// If your type is not yet supported by the `asbl::Hash` framework, see
+// If your type is not yet supported by the `absl::Hash` framework, see
 // absl/hash/hash.h for information on extending Abseil hashing to user-defined
 // types.
 //
diff --git a/absl/container/flat_hash_set.h b/absl/container/flat_hash_set.h
index f7c1acaa..5ea6a816 100644
--- a/absl/container/flat_hash_set.h
+++ b/absl/container/flat_hash_set.h
@@ -67,7 +67,7 @@ struct FlatHashSetPolicy;
 // By default, `flat_hash_set` uses the `absl::Hash` hashing framework. All
 // fundamental and Abseil types that support the `absl::Hash` framework have a
 // compatible equality operator for comparing insertions into `flat_hash_map`.
-// If your type is not yet supported by the `asbl::Hash` framework, see
+// If your type is not yet supported by the `absl::Hash` framework, see
 // absl/hash/hash.h for information on extending Abseil hashing to user-defined
 // types.
 //
diff --git a/absl/container/internal/raw_hash_set_test.cc b/absl/container/internal/raw_hash_set_test.cc
index 76aba318..5ad4904f 100644
--- a/absl/container/internal/raw_hash_set_test.cc
+++ b/absl/container/internal/raw_hash_set_test.cc
@@ -390,7 +390,8 @@ TEST(Table, Prefetch) {
     !defined(UNDEFINED_BEHAVIOR_SANITIZER)
   const auto now = [] { return absl::base_internal::CycleClock::Now(); };
 
-  static constexpr int size = 1000000;
+  // Make size enough to not fit in L2 cache (16.7 Mb)
+  static constexpr int size = 1 << 22;
   for (int i = 0; i < size; ++i) t.insert(i);
 
   int64_t no_prefetch = 0, prefetch = 0;
diff --git a/absl/container/node_hash_map.h b/absl/container/node_hash_map.h
index 18d3f28f..bd53c590 100644
--- a/absl/container/node_hash_map.h
+++ b/absl/container/node_hash_map.h
@@ -72,7 +72,7 @@ class NodeHashMapPolicy;
 // By default, `node_hash_map` uses the `absl::Hash` hashing framework.
 // All fundamental and Abseil types that support the `absl::Hash` framework have
 // a compatible equality operator for comparing insertions into `node_hash_map`.
-// If your type is not yet supported by the `asbl::Hash` framework, see
+// If your type is not yet supported by the `absl::Hash` framework, see
 // absl/hash/hash.h for information on extending Abseil hashing to user-defined
 // types.
 //
diff --git a/absl/container/node_hash_set.h b/absl/container/node_hash_set.h
index e0897c99..e4034461 100644
--- a/absl/container/node_hash_set.h
+++ b/absl/container/node_hash_set.h
@@ -68,7 +68,7 @@ struct NodeHashSetPolicy;
 // By default, `node_hash_set` uses the `absl::Hash` hashing framework.
 // All fundamental and Abseil types that support the `absl::Hash` framework have
 // a compatible equality operator for comparing insertions into `node_hash_set`.
-// If your type is not yet supported by the `asbl::Hash` framework, see
+// If your type is not yet supported by the `absl::Hash` framework, see
 // absl/hash/hash.h for information on extending Abseil hashing to user-defined
 // types.
 //
diff --git a/absl/strings/str_cat.h b/absl/strings/str_cat.h
index da9ed9a2..8ba0592f 100644
--- a/absl/strings/str_cat.h
+++ b/absl/strings/str_cat.h
@@ -97,6 +97,10 @@ enum PadSpec : uint8_t {
   kZeroPad14,
   kZeroPad15,
   kZeroPad16,
+  kZeroPad17,
+  kZeroPad18,
+  kZeroPad19,
+  kZeroPad20,
 
   kSpacePad2 = kZeroPad2 + 64,
   kSpacePad3,
@@ -113,6 +117,10 @@ enum PadSpec : uint8_t {
   kSpacePad14,
   kSpacePad15,
   kSpacePad16,
+  kSpacePad17,
+  kSpacePad18,
+  kSpacePad19,
+  kSpacePad20,
 };
 
 // -----------------------------------------------------------------------------
diff --git a/absl/strings/str_cat_test.cc b/absl/strings/str_cat_test.cc
index 555d8db3..07141072 100644
--- a/absl/strings/str_cat_test.cc
+++ b/absl/strings/str_cat_test.cc
@@ -427,7 +427,7 @@ void CheckHex(IntType v, const char* nopad_format, const char* zeropad_format,
   snprintf(expected, sizeof(expected), nopad_format, v);
   EXPECT_EQ(expected, actual) << " decimal value " << v;
 
-  for (int spec = absl::kZeroPad2; spec <= absl::kZeroPad16; ++spec) {
+  for (int spec = absl::kZeroPad2; spec <= absl::kZeroPad20; ++spec) {
     std::string actual =
         absl::StrCat(absl::Hex(v, static_cast<absl::PadSpec>(spec)));
     snprintf(expected, sizeof(expected), zeropad_format,
@@ -435,7 +435,7 @@ void CheckHex(IntType v, const char* nopad_format, const char* zeropad_format,
     EXPECT_EQ(expected, actual) << " decimal value " << v;
   }
 
-  for (int spec = absl::kSpacePad2; spec <= absl::kSpacePad16; ++spec) {
+  for (int spec = absl::kSpacePad2; spec <= absl::kSpacePad20; ++spec) {
     std::string actual =
         absl::StrCat(absl::Hex(v, static_cast<absl::PadSpec>(spec)));
     snprintf(expected, sizeof(expected), spacepad_format,
@@ -453,7 +453,7 @@ void CheckDec(IntType v, const char* nopad_format, const char* zeropad_format,
   snprintf(expected, sizeof(expected), nopad_format, v);
   EXPECT_EQ(expected, actual) << " decimal value " << v;
 
-  for (int spec = absl::kZeroPad2; spec <= absl::kZeroPad16; ++spec) {
+  for (int spec = absl::kZeroPad2; spec <= absl::kZeroPad20; ++spec) {
     std::string actual =
         absl::StrCat(absl::Dec(v, static_cast<absl::PadSpec>(spec)));
     snprintf(expected, sizeof(expected), zeropad_format,
@@ -463,7 +463,7 @@ void CheckDec(IntType v, const char* nopad_format, const char* zeropad_format,
         << "' digits " << (spec - absl::kZeroPad2 + 2);
   }
 
-  for (int spec = absl::kSpacePad2; spec <= absl::kSpacePad16; ++spec) {
+  for (int spec = absl::kSpacePad2; spec <= absl::kSpacePad20; ++spec) {
     std::string actual =
         absl::StrCat(absl::Dec(v, static_cast<absl::PadSpec>(spec)));
     snprintf(expected, sizeof(expected), spacepad_format,