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Export of internal Abseil changes.

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28b634d3e8e879546e20006b81086a2b02390f1d by Abseil Team <absl-team@google.com>:

Indicate Solaris / Illumos has mmap support
https://github.com/abseil/abseil-cpp/pull/139
This change is **untested** as Abseil does not officially support Solaris/Illumos.

PiperOrigin-RevId: 205094615

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3c4cc80abcd91c6cd88209a61b50936d1c498bac by Xiaoyi Zhang <zhangxy@google.com>:

Make is_trivially_copy_assignable work with reference types.

PiperOrigin-RevId: 204982099

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98c6658b3d6cd5eddba9f498747dc84c172ffe05 by Abseil Team <absl-team@google.com>:

Fix typo in comments for c_mismatch.

PiperOrigin-RevId: 204962537

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deef8b23585f7831d67c1d4b1c9ef7f3e30d9028 by Matt Kulukundis <kfm@google.com>:

Internal change

PiperOrigin-RevId: 204956873
GitOrigin-RevId: 28b634d3e8e879546e20006b81086a2b02390f1d
Change-Id: I1da029f8cb83d83ee5a05f3b0c6a07bc3dd5368e
This commit is contained in:
Abseil Team 2018-07-18 10:04:24 -07:00 committed by Ashley Hedberg
parent b973bc53ef
commit 42f22a2840
4 changed files with 8 additions and 4 deletions
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2
absl/algorithm/container.h
View file

@ -314,7 +314,7 @@ container_algorithm_internal::ContainerDifferenceType<const C> c_count_if(
// c_mismatch()
//
// Container-based version of the <algorithm> `std::mismatchf()` function to
// Container-based version of the <algorithm> `std::mismatch()` function to
// return the first element where two ordered containers differ.
template <typename C1, typename C2>
container_algorithm_internal::ContainerIterPairType<C1, C2>

1
absl/container/inlined_vector_test.cc
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@ -1788,5 +1788,4 @@ TEST(AllocatorSupportTest, SizeAllocConstructor) {
EXPECT_THAT(v, AllOf(SizeIs(len), Each(0)));
}
}
} // anonymous namespace

3
absl/meta/type_traits.h
View file

@ -263,7 +263,8 @@ struct is_trivially_copy_constructible
// `is_trivially_assignable<T&, const T&>`.
template <typename T>
struct is_trivially_copy_assignable
: std::integral_constant<bool, __has_trivial_assign(T) &&
: std::integral_constant<
bool, __has_trivial_assign(typename std::remove_reference<T>::type) &&
std::is_copy_assignable<T>::value> {
#ifdef ABSL_HAVE_STD_IS_TRIVIALLY_ASSIGNABLE
private:

4
absl/meta/type_traits_test.cc
View file

@ -528,6 +528,10 @@ TEST(TypeTraitsTest, TestTrivialCopyAssign) {
// Verify that arrays are not trivially copy assignable
using int10 = int[10];
EXPECT_FALSE(absl::is_trivially_copy_assignable<int10>::value);
// Verify that references are handled correctly
EXPECT_TRUE(absl::is_trivially_copy_assignable<Trivial&&>::value);
EXPECT_TRUE(absl::is_trivially_copy_assignable<Trivial&>::value);
}
#define ABSL_INTERNAL_EXPECT_ALIAS_EQUIVALENCE(trait_name, ...) \