From 4b2fbb4adba905eede6c61b4494acfdb660a3bb7 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Mon, 12 Oct 2020 10:33:47 -0700
Subject: Export of internal Abseil changes

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a5af5874c1c5cc02bd2a748d455321f82b6f2a93 by Andy Getzendanner <durandal@google.com>:

fix compile fails with asan and -Wredundant-decls

Import of https://github.com/abseil/abseil-cpp/pull/801

PiperOrigin-RevId: 336693223

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ed9df42ab2b742386c6692c2bed015374c919d9c by Derek Mauro <dmauro@google.com>:

Fix integer conversion warning

Fixes #814

PiperOrigin-RevId: 336651814

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0ab4c23884e72dce17b67c1eb520f9dbb802565d by Derek Mauro <dmauro@google.com>:

Internal change

PiperOrigin-RevId: 336585378

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eba0e3dccd52a6e91bcff84075bef0affc650b74 by Matt Kulukundis <kfm@google.com>:

Add bitset operations to Futex helper.

PiperOrigin-RevId: 336409368

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8b0709a8b4500bf5f0af4b602d76a298d81645e8 by Abseil Team <absl-team@google.com>:

Fix code indentation in a comment.

PiperOrigin-RevId: 336368167

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bc3961c87a7e7760c10319a5b0349c279f7ae3ad by Samuel Benzaquen <sbenza@google.com>:

Improve performance of the registry:
 - Reduce contention
 - Reduce memory usage for each flag by `6*sizeof(void*)`.
 - Replace one immortal allocation per-flag with a single one for all the flags
 - Slightly improve single-threaded performance by avoiding the std::map indirections.

PiperOrigin-RevId: 336365904

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264ad9f28f935aad8b6b1437f8bf804fa9104346 by Abseil Team <absl-team@google.com>:

Fix typo in comment on absl::Condition.

PiperOrigin-RevId: 336311680

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b5b808a8c75ca0df7b09eff9a423ec171d80f771 by Derek Mauro <dmauro@google.com>:

Add missing Apache license headers

PiperOrigin-RevId: 336294980

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89446c3a4793df8b95060385cf3e219357c3db1d by Andy Soffer <asoffer@google.com>:

Internal changes

PiperOrigin-RevId: 336287465

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57c8be4e294881bc79a6a44b8e4bf7ecbb19b9b9 by Matt Kulukundis <kfm@google.com>:

Extract Futex from an implementation detail of Wait to a private interface.

PiperOrigin-RevId: 336123209
GitOrigin-RevId: a5af5874c1c5cc02bd2a748d455321f82b6f2a93
Change-Id: Ie5a0ebe28e571814e3e11d4c05ca308523ccf311
---
 absl/types/internal/variant.h | 2 +-
 absl/types/variant_test.cc    | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

(limited to 'absl/types')

diff --git a/absl/types/internal/variant.h b/absl/types/internal/variant.h
index d404e80c..772008c7 100644
--- a/absl/types/internal/variant.h
+++ b/absl/types/internal/variant.h
@@ -45,7 +45,7 @@ ABSL_NAMESPACE_BEGIN
 template <class... Types>
 class variant;
 
-ABSL_INTERNAL_INLINE_CONSTEXPR(size_t, variant_npos, -1);
+ABSL_INTERNAL_INLINE_CONSTEXPR(size_t, variant_npos, static_cast<size_t>(-1));
 
 template <class T>
 struct variant_size;
diff --git a/absl/types/variant_test.cc b/absl/types/variant_test.cc
index cf8f7f33..cf237334 100644
--- a/absl/types/variant_test.cc
+++ b/absl/types/variant_test.cc
@@ -2311,7 +2311,8 @@ TEST(VariantTest, TestRvalueConversion) {
   ASSERT_TRUE(absl::holds_alternative<int32_t>(variant2));
   EXPECT_EQ(42, absl::get<int32_t>(variant2));
 
-  variant2 = ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
+  variant2 =
+      ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
   ASSERT_TRUE(absl::holds_alternative<uint32_t>(variant2));
   EXPECT_EQ(42, absl::get<uint32_t>(variant2));
 #endif  // !ABSL_USES_STD_VARIANT
@@ -2453,7 +2454,8 @@ TEST(VariantTest, TestRvalueConversionViaConvertVariantTo) {
       ConvertVariantTo<variant<int32_t, uint32_t>>(variant<int32_t>(42)));
   EXPECT_THAT(absl::get_if<int32_t>(&variant2), Pointee(42));
 
-  variant2 = ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
+  variant2 =
+      ConvertVariantTo<variant<int32_t, uint32_t>>(variant<uint32_t>(42));
   EXPECT_THAT(absl::get_if<uint32_t>(&variant2), Pointee(42));
 #endif
 
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