From a02f62f456f2c4a7ecf2be3104fe0c6e16fbad9a Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Fri, 12 Apr 2019 00:26:40 -0700
Subject: Export of internal Abseil changes. --
 5755b40f6025f3ca126070fc68adb8fde9a7f01b by Abseil Team
 <absl-team@google.com>:

Fix -Wextra-semi error.

PiperOrigin-RevId: 243215850

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3b6b6e18df9fbd233943cae460f0063f4efaa7c7 by Eric Fiselier <ericwf@google.com>:

Internal Change.

PiperOrigin-RevId: 243152671

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82eef03f246009c806c25607c5682547cb4ad21e by Abseil Team <absl-team@google.com>:

Internal change.

PiperOrigin-RevId: 243151861

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c14e6340fca7070634e0ecfdf97833d930dd0e5d by Samuel Benzaquen <sbenza@google.com>:

Internal change

PiperOrigin-RevId: 243123590

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9abb7a6b22457c0aa72d72b3b9392efd226d302a by Andy Getzendanner <durandal@google.com>:

Implement operator<<(std::ostream &, absl::LogSeverity) so that absl::LogSeverity values can be streamed.

PiperOrigin-RevId: 243117646
GitOrigin-RevId: 5755b40f6025f3ca126070fc68adb8fde9a7f01b
Change-Id: I7ea607d8a4e803ad15a3090139271f58ad4173a3
---
 absl/base/casts.h | 22 +++++++---------------
 1 file changed, 7 insertions(+), 15 deletions(-)

(limited to 'absl/base/casts.h')

diff --git a/absl/base/casts.h b/absl/base/casts.h
index 00196d20ae77..a381c4276441 100644
--- a/absl/base/casts.h
+++ b/absl/base/casts.h
@@ -30,28 +30,20 @@
 
 #include "absl/base/internal/identity.h"
 #include "absl/base/macros.h"
+#include "absl/meta/type_traits.h"
 
 namespace absl {
 
 namespace internal_casts {
 
-// NOTE: Not a fully compliant implementation of `std::is_trivially_copyable`.
-// TODO(calabrese) Branch on implementations that directly provide
-// `std::is_trivially_copyable`, create a more rigorous workaround, and publicly
-// expose in meta/type_traits.
-template <class T>
-struct is_trivially_copyable
-    : std::integral_constant<
-          bool, std::is_destructible<T>::value&& __has_trivial_destructor(T) &&
-                    __has_trivial_copy(T) && __has_trivial_assign(T)> {};
-
 template <class Dest, class Source>
 struct is_bitcastable
-    : std::integral_constant<bool,
-                             sizeof(Dest) == sizeof(Source) &&
-                                 is_trivially_copyable<Source>::value &&
-                                 is_trivially_copyable<Dest>::value &&
-                                 std::is_default_constructible<Dest>::value> {};
+    : std::integral_constant<
+          bool,
+          sizeof(Dest) == sizeof(Source) &&
+              type_traits_internal::is_trivially_copyable<Source>::value &&
+              type_traits_internal::is_trivially_copyable<Dest>::value &&
+              std::is_default_constructible<Dest>::value> {};
 
 }  // namespace internal_casts
 
-- 
cgit 1.4.1