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authorAbseil Team <absl-team@google.com>2018-07-17T18·07-0700
committerAshley Hedberg <ahedberg@google.com>2018-07-17T18·32-0400
commite0def7473e52336f58759e11db4cd9467e5e0356 (patch)
tree1ab4c9e8ae1767f073dc86b51bac886fc536ad8e
parentf826f1d489b61b64df1d94afbe5981841a82e5fa (diff)
Export of internal Abseil changes.
--
ffe43f972f956e3f9a8fb7b68993d243ba8f79fb by Abseil Team <absl-team@google.com>:

Replace usage of soon-to-be-deprecated http_archive rule with Skylark equivalent
https://github.com/abseil/abseil-cpp/pull/138

PiperOrigin-RevId: 204939972

--
24021d7aec96ed013333760fba590eba5a9ddf63 by Abseil Team <absl-team@google.com>:

Remove incorrect constraint that StrSplit only works on std::strings; rather, it works on anything string-like.

PiperOrigin-RevId: 204761431

--
ce61d3b0ac163caa1156817f3d1a997d9376a3f3 by Derek Mauro <dmauro@google.com>:

Support s390/s390x in examine_stack.cc (GitHub issue #135).
This is UNTESTED (no machine to test on).

PiperOrigin-RevId: 204756692

--
68ecab659a95d713c4342fe9e8008c4cdf6abfc1 by Derek Mauro <dmauro@google.com>:

Update WORKSPACE.bazel Gogole Test dependency, remove the unused RE2 dependency.

PiperOrigin-RevId: 204741814

--
891e185522f0934e3b48a75617be5fc859d75dbd by Derek Mauro <dmauro@google.com>:

Fix endian_test.cc on big endian platforms.
GitHub issue #135

PiperOrigin-RevId: 204738726

--
9becfa12fbb525cd97e5695b94677bd3ea3f61b0 by Abseil Team <absl-team@google.com>:

Improve error messages in absl::variant by splitting up the conditions in the valid type static_assert.

This makes it slightly easier to determine what type is causing issues.

PiperOrigin-RevId: 204508430
GitOrigin-RevId: ffe43f972f956e3f9a8fb7b68993d243ba8f79fb
Change-Id: Icc5e4e8cd1a4cea98dfbed794cd992b734812e1d
-rw-r--r--WORKSPACE14
-rw-r--r--absl/base/internal/endian_test.cc20
-rw-r--r--absl/debugging/internal/examine_stack.cc4
-rw-r--r--absl/strings/str_split.h10
-rw-r--r--absl/types/variant.h15
5 files changed, 24 insertions, 39 deletions
diff --git a/WORKSPACE b/WORKSPACE
index 713ace923195..e4a911978dc6 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -15,9 +15,9 @@ http_archive(
 # GoogleTest/GoogleMock framework. Used by most unit-tests.
 http_archive(
      name = "com_google_googletest",
-     urls = ["https://github.com/google/googletest/archive/4e4df226fc197c0dda6e37f5c8c3845ca1e73a49.zip"],
-     strip_prefix = "googletest-4e4df226fc197c0dda6e37f5c8c3845ca1e73a49",
-     sha256 = "d4179caf54410968d1fff0b869e7d74803dd30209ee6645ccf1ca65ab6cf5e5a",
+     urls = ["https://github.com/google/googletest/archive/b4d4438df9479675a632b2f11125e57133822ece.zip"],  # 2018-07-16
+     strip_prefix = "googletest-b4d4438df9479675a632b2f11125e57133822ece",
+     sha256 = "5aaa5d566517cae711e2a3505ea9a6438be1b37fcaae0ebcb96ccba9aa56f23a",
 )
 
 # Google benchmark.
@@ -27,11 +27,3 @@ http_archive(
     strip_prefix = "benchmark-16703ff83c1ae6d53e5155df3bb3ab0bc96083be",
     sha256 = "59f918c8ccd4d74b6ac43484467b500f1d64b40cc1010daa055375b322a43ba3",
 )
-
-# RE2 regular-expression framework. Used by some unit-tests.
-http_archive(
-    name = "com_googlesource_code_re2",
-    urls = ["https://github.com/google/re2/archive/6cf8ccd82dbaab2668e9b13596c68183c9ecd13f.zip"],
-    strip_prefix = "re2-6cf8ccd82dbaab2668e9b13596c68183c9ecd13f",
-    sha256 = "279a852219dbfc504501775596089d30e9c0b29664ce4128b0ac4c841471a16a",
-)
diff --git a/absl/base/internal/endian_test.cc b/absl/base/internal/endian_test.cc
index f3ff4b39bb65..e27691553bc6 100644
--- a/absl/base/internal/endian_test.cc
+++ b/absl/base/internal/endian_test.cc
@@ -33,32 +33,16 @@ const uint16_t k16Value{0x0123};
 const int kNumValuesToTest = 1000000;
 const int kRandomSeed = 12345;
 
-#ifdef ABSL_IS_BIG_ENDIAN
+#if defined(ABSL_IS_BIG_ENDIAN)
 const uint64_t kInitialInNetworkOrder{kInitialNumber};
 const uint64_t k64ValueLE{0xefcdab8967452301};
 const uint32_t k32ValueLE{0x67452301};
 const uint16_t k16ValueLE{0x2301};
-const uint8_t k8ValueLE{k8Value};
-const uint64_t k64IValueLE{0xefcdab89674523a1};
-const uint32_t k32IValueLE{0x67452391};
-const uint16_t k16IValueLE{0x85ff};
-const uint8_t k8IValueLE{0xff};
-const uint64_t kDoubleValueLE{0x6e861bf0f9210940};
-const uint32_t kFloatValueLE{0xd00f4940};
-const uint8_t kBoolValueLE{0x1};
 
 const uint64_t k64ValueBE{kInitialNumber};
 const uint32_t k32ValueBE{k32Value};
 const uint16_t k16ValueBE{k16Value};
-const uint8_t k8ValueBE{k8Value};
-const uint64_t k64IValueBE{0xa123456789abcdef};
-const uint32_t k32IValueBE{0x91234567};
-const uint16_t k16IValueBE{0xff85};
-const uint8_t k8IValueBE{0xff};
-const uint64_t kDoubleValueBE{0x400921f9f01b866e};
-const uint32_t kFloatValueBE{0x40490fd0};
-const uint8_t kBoolValueBE{0x1};
-#elif defined ABSL_IS_LITTLE_ENDIAN
+#elif defined(ABSL_IS_LITTLE_ENDIAN)
 const uint64_t kInitialInNetworkOrder{0xefcdab8967452301};
 const uint64_t k64ValueLE{kInitialNumber};
 const uint32_t k32ValueLE{k32Value};
diff --git a/absl/debugging/internal/examine_stack.cc b/absl/debugging/internal/examine_stack.cc
index 8434709facc6..faf888367356 100644
--- a/absl/debugging/internal/examine_stack.cc
+++ b/absl/debugging/internal/examine_stack.cc
@@ -52,6 +52,10 @@ void* GetProgramCounter(void* vuc) {
     return reinterpret_cast<void*>(context->uc_mcontext.gp_regs[32]);
 #elif defined(__powerpc__)
     return reinterpret_cast<void*>(context->uc_mcontext.regs->nip);
+#elif defined(__s390__) && !defined(__s390x__)
+    return reinterpret_cast<void*>(context->uc_mcontext.psw.addr & 0x7fffffff);
+#elif defined(__s390__) && defined(__s390x__)
+    return reinterpret_cast<void*>(context->uc_mcontext.psw.addr);
 #elif defined(__x86_64__)
     if (16 < ABSL_ARRAYSIZE(context->uc_mcontext.gregs))
       return reinterpret_cast<void*>(context->uc_mcontext.gregs[16]);
diff --git a/absl/strings/str_split.h b/absl/strings/str_split.h
index 1f089b9377b2..9a7be2b05344 100644
--- a/absl/strings/str_split.h
+++ b/absl/strings/str_split.h
@@ -373,11 +373,11 @@ struct SkipWhitespace {
 
 // StrSplit()
 //
-// Splits a given `std::string` based on the provided `Delimiter` object,
-// returning the elements within the type specified by the caller. Optionally,
-// you may also pass a `Predicate` to `StrSplit()` indicating whether to include
-// or exclude the resulting element within the final result set. (See the
-// overviews for Delimiters and Predicates above.)
+// Splits a given std::string based on the provided `Delimiter` object, returning the
+// elements within the type specified by the caller. Optionally, you may pass a
+// `Predicate` to `StrSplit()` indicating whether to include or exclude the
+// resulting element within the final result set. (See the overviews for
+// Delimiters and Predicates above.)
 //
 // Example:
 //
diff --git a/absl/types/variant.h b/absl/types/variant.h
index 9d98a9ed0edb..17e0634de037 100644
--- a/absl/types/variant.h
+++ b/absl/types/variant.h
@@ -449,14 +449,19 @@ constexpr bool operator!=(monostate, monostate) noexcept { return false; }
 //------------------------------------------------------------------------------
 template <typename T0, typename... Tn>
 class variant<T0, Tn...> : private variant_internal::VariantBase<T0, Tn...> {
+  static_assert(absl::conjunction<std::is_object<T0>,
+                                  std::is_object<Tn>...>::value,
+                "Attempted to instantiate a variant containing a non-object "
+                "type.");
   // Intentionally not qualifing `negation` with `absl::` to work around a bug
   // in MSVC 2015 with inline namespace and variadic template.
-  static_assert(absl::conjunction<std::is_object<T0>, std::is_object<Tn>...,
-                                  negation<std::is_array<T0> >,
-                                  negation<std::is_array<Tn> >...,
-                                  std::is_nothrow_destructible<T0>,
+  static_assert(absl::conjunction<negation<std::is_array<T0> >,
+                                  negation<std::is_array<Tn> >...>::value,
+                "Attempted to instantiate a variant containing an array type.");
+  static_assert(absl::conjunction<std::is_nothrow_destructible<T0>,
                                   std::is_nothrow_destructible<Tn>...>::value,
-                "Attempted to instantiate a variant with an unsupported type.");
+                "Attempted to instantiate a variant containing a non-nothrow "
+                "destructible type.");
 
   friend struct variant_internal::VariantCoreAccess;