Export of internal Abseil changes

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3e60f355db5afd7a864591d81a6c383b6c0a0780 by Samuel Benzaquen <sbenza@google.com>:

Internal change

PiperOrigin-RevId: 272531442

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6d189240b8cebe3a390c730de491156d03049229 by Andy Getzendanner <durandal@google.com>:

Fix AtomicHook init-order fiasco under MSVC 2019.

On this platform, constexpr static init sometimes happens after dynamic init =/.  When it does, we should not zero hook_ (overwriting the value written there by dynamic init); instead we should leave it alone.  This works even when constexpr static init goes first since all uses of AtomicHook should have static storage duration and be zero-initialized.

https://developercommunity.visualstudio.com/content/problem/336946/class-with-constexpr-constructor-not-using-static.html

PiperOrigin-RevId: 272525226

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d01b14fc06bc75b41c51976ed32e7c304ea1aab7 by Abseil Team <absl-team@google.com>:

exclude emscripten from running tests involving long doubles

PiperOrigin-RevId: 272497628
GitOrigin-RevId: 3e60f355db5afd7a864591d81a6c383b6c0a0780
Change-Id: I3c8a8f5acaf7652a06ef40cf028ef5d2e142f81b

1 files changed, 15 insertions, 0 deletions

diff --git a/absl/base/CMakeLists.txt b/absl/base/CMakeLists.txt
index 2f11ef86556f..51705a5a102c 100644
--- a/absl/base/CMakeLists.txt
+++ b/absl/base/CMakeLists.txt
@@ -254,6 +254,19 @@ absl_cc_test(
     gtest_main
 )
 
+absl_cc_library(
+  NAME
+    atomic_hook_test_helper
+  SRCS
+    "internal/atomic_hook_test_helper.cc"
+  COPTS
+    ${ABSL_TEST_COPTS}
+  DEPS
+    absl::atomic_hook
+    absl::core_headers
+  TESTONLY
+)
+
 absl_cc_test(
   NAME
     atomic_hook_test
@@ -262,8 +275,10 @@ absl_cc_test(
   COPTS
     ${ABSL_TEST_COPTS}
   DEPS
+    absl::atomic_hook_test_helper
     absl::atomic_hook
     absl::core_headers
+    gmock
     gtest_main
 )