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authorAbseil Team <absl-team@google.com>2018-10-29T22·53-0700
committerMatt Calabrese <calabrese@x.team>2018-10-30T15·19-0400
commita4c3ffff11eec0ee45742f915c255e9f870b7e0f (patch)
tree88e3d7299821d280b8ab6156223e48e722bf7b44 /absl/types
parent01174578651b73021d9b8c3820f6fea707dacdf0 (diff)
Export of internal Abseil changes.
--
ba4dd47492748bd630462eb68b7959037fc6a11a by Abseil Team <absl-team@google.com>:

Work around nvcc 9.0 compiler bug for open-source Tensorflow build.

With the current implementation, when I (unintentionally and transitively)
include absl/types/optional.h in a CUDA compilation unit, I get the following
nvcc error message:
  INFO: From Compiling tensorflow/core/kernels/crop_and_resize_op_gpu.cu.cc:
  external/com_google_absl/absl/types/optional.h: In member function 'void absl::optional_internal::optional_data_dtor_base<T, <anonymous> >::destruct()':
  external/com_google_absl/absl/types/optional.h:185:50: error: '__T0' was not declared in this scope
         data_.~T();

I've also seen similar compilation failures online, for flat_hash_map:
https://devtalk.nvidia.com/default/topic/1042599/nvcc-preprocessor-bug-causes-compilation-failure/

The bug is always around unnamed template parameters. Therefore, the workaround is to make them named.

PiperOrigin-RevId: 219208288

--
dad2f40cb2e8d5017660985ef6fb57f3c3cdcc80 by CJ Johnson <johnsoncj@google.com>:

Adds internal macros for catching and throwing unknown exception types

PiperOrigin-RevId: 219207362

--
0a9840328d2d86e8420b853435fdbf1f7a19d931 by Abseil Team <absl-team@google.com>:

Fix typo in mutex.h comments.

PiperOrigin-RevId: 219199397

--
0d576dc7597564210bfdf91518075064756f0bf4 by Matt Calabrese <calabrese@google.com>:

Internal change.

PiperOrigin-RevId: 219185475

--
66be156095571959fb19a76da8ad0b53ec37658e by Abseil Team <absl-team@google.com>:

Fix alignment conformance for VS 2017 >= 15.8 (fix #193)

PiperOrigin-RevId: 219129894

--
a6e1825a12587945f8194677ccfdcaba6f7aad1d by Abseil Team <absl-team@google.com>:

Reapply PR #173

PiperOrigin-RevId: 219129361

--
cf72ade4881b25acc6ccaea468f69793a0fdce32 by Abseil Team <absl-team@google.com>:

Update .gitignore

PiperOrigin-RevId: 219127495

--
0537490c6348a2cb489abe15638928ac5aa6982a by Jon Cohen <cohenjon@google.com>:

Small refactor and reformat of error messages from the exception safety test framework.

PiperOrigin-RevId: 218927773

--
4c556ca45fa25698ad12002a00c713aeceefab73 by CJ Johnson <johnsoncj@google.com>:

Updates the inlined vector swap tests to check for number of moves that took place if available

PiperOrigin-RevId: 218900777

--
dcbfda0021a1e6dfa9586986b1269c06ec394053 by Mark Barolak <mbar@google.com>:

Add parens around calls to std::numeric_limits<>::min and
std::numeric_limits<>::max to prevent compilation errors on Windows platforms
where min and max are defined as macros.

PiperOrigin-RevId: 218888700
GitOrigin-RevId: ba4dd47492748bd630462eb68b7959037fc6a11a
Change-Id: I0e393958eb8cb501b85f6114979f6d4d86ed996c
Diffstat (limited to 'absl/types')
-rw-r--r--absl/types/optional.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/absl/types/optional.h b/absl/types/optional.h
index 14210018815c..7677fe52c0e5 100644
--- a/absl/types/optional.h
+++ b/absl/types/optional.h
@@ -163,7 +163,7 @@ struct empty_struct {};
 // This class stores the data in optional<T>.
 // It is specialized based on whether T is trivially destructible.
 // This is the specialization for non trivially destructible type.
-template <typename T, bool = std::is_trivially_destructible<T>::value>
+template <typename T, bool unused = std::is_trivially_destructible<T>::value>
 class optional_data_dtor_base {
   struct dummy_type {
     static_assert(sizeof(T) % sizeof(empty_struct) == 0, "");
@@ -261,10 +261,10 @@ class optional_data_base : public optional_data_dtor_base<T> {
 // have trivial move but nontrivial copy.
 // Also, we should be checking is_trivially_copyable here, which is not
 // supported now, so we use is_trivially_* traits instead.
-template <typename T, bool = absl::is_trivially_copy_constructible<T>::value&&
-                          absl::is_trivially_copy_assignable<
-                              typename std::remove_cv<T>::type>::value&&
-                              std::is_trivially_destructible<T>::value>
+template <typename T,
+          bool unused = absl::is_trivially_copy_constructible<T>::value&&
+              absl::is_trivially_copy_assignable<typename std::remove_cv<
+                  T>::type>::value&& std::is_trivially_destructible<T>::value>
 class optional_data;
 
 // Trivially copyable types