diff --git a/googlemock/src/gmock_main.cc b/googlemock/src/gmock_main.cc
index 6182159..32ab534 100644
--- a/googlemock/src/gmock_main.cc
+++ b/googlemock/src/gmock_main.cc
@@ -37,7 +37,8 @@
 // causes a link error when _tmain is defined in a static library and UNICODE
 // is enabled. For this reason instead of _tmain, main function is used on
 // Windows. See the following link to track the current status of this bug:
-// https://web.archive.org/web/20170912203238/connect.microsoft.com/VisualStudio/feedback/details/394464/wmain-link-error-in-the-static-library  // NOLINT
+// https://web.archive.org/web/20170912203238/connect.microsoft.com/VisualStudio/feedback/details/394464/wmain-link-error-in-the-static-library
+// // NOLINT
 #if GTEST_OS_WINDOWS_MOBILE
 # include <tchar.h>  // NOLINT
 
diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc
index 2d169f8..e8bdbee 100644
--- a/googlemock/test/gmock-actions_test.cc
+++ b/googlemock/test/gmock-actions_test.cc
@@ -937,8 +937,6 @@
   int value_;
 };
 
-//  GOOGLETEST_CM0005 DO NOT DELETE
-
 // Tests InvokeWithoutArgs(function).
 TEST(InvokeWithoutArgsTest, Function) {
   // As an action that takes one argument.
diff --git a/googletest/include/gtest/gtest-death-test.h b/googletest/include/gtest/gtest-death-test.h
index 8add8c0..59795e3 100644
--- a/googletest/include/gtest/gtest-death-test.h
+++ b/googletest/include/gtest/gtest-death-test.h
@@ -100,6 +100,7 @@
 //
 // On the regular expressions used in death tests:
 //
+//   GOOGLETEST_CM0005 DO NOT DELETE
 //   On POSIX-compliant systems (*nix), we use the <regex.h> library,
 //   which uses the POSIX extended regex syntax.
 //
@@ -202,6 +203,7 @@
 # if !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
 // Tests that an exit code describes an exit due to termination by a
 // given signal.
+// GOOGLETEST_CM0006 DO NOT DELETE
 class GTEST_API_ KilledBySignal {
  public:
   explicit KilledBySignal(int signum);
diff --git a/googletest/include/gtest/internal/gtest-port.h b/googletest/include/gtest/internal/gtest-port.h
index 95e3fd6..0f1b285 100644
--- a/googletest/include/gtest/internal/gtest-port.h
+++ b/googletest/include/gtest/internal/gtest-port.h
@@ -381,7 +381,8 @@
 #if GTEST_LANG_CXX11
 # define GTEST_HAS_STD_TUPLE_ 1
 # if defined(__clang__)
-// Inspired by https://clang.llvm.org/docs/LanguageExtensions.html#include-file-checking-macros
+// Inspired by
+// https://clang.llvm.org/docs/LanguageExtensions.html#include-file-checking-macros
 #  if defined(__has_include) && !__has_include(<tuple>)
 #   undef GTEST_HAS_STD_TUPLE_
 #  endif
diff --git a/googletest/src/gtest-death-test.cc b/googletest/src/gtest-death-test.cc
index 2f772f6..564bcd2 100644
--- a/googletest/src/gtest-death-test.cc
+++ b/googletest/src/gtest-death-test.cc
@@ -67,6 +67,7 @@
 #  include <lib/fdio/spawn.h>
 #  include <zircon/processargs.h>
 #  include <zircon/syscalls.h>
+#  include <zircon/syscalls/port.h>
 # endif  // GTEST_OS_FUCHSIA
 
 #endif  // GTEST_HAS_DEATH_TEST
@@ -236,6 +237,9 @@
     msg << "couldn't detect the number of threads.";
   else
     msg << "detected " << thread_count << " threads.";
+    msg << " See https://github.com/google/googletest/blob/master/googletest/docs/advanced.md#death-tests-and-threads"
+      << " for more explanation and suggested solutions, especially if"
+      << " this is the last message you see before your test times out.";
   return msg.GetString();
 }
 # endif  // !GTEST_OS_WINDOWS && !GTEST_OS_FUCHSIA
@@ -805,6 +809,12 @@
                    const char* file,
                    int line)
       : DeathTestImpl(a_statement, a_regex), file_(file), line_(line) {}
+  virtual ~FuchsiaDeathTest() {
+    zx_status_t status = zx_handle_close(child_process_);
+    GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
+    status = zx_handle_close(port_);
+    GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
+  }
 
   // All of these virtual functions are inherited from DeathTest.
   virtual int Wait();
@@ -816,7 +826,8 @@
   // The line number on which the death test is located.
   const int line_;
 
-  zx_handle_t child_process_;
+  zx_handle_t child_process_ = ZX_HANDLE_INVALID;
+  zx_handle_t port_ = ZX_HANDLE_INVALID;
 };
 
 // Utility class for accumulating command-line arguments.
@@ -863,16 +874,38 @@
   if (!spawned())
     return 0;
 
-  // Wait for child process to terminate.
+  // Register to wait for the child process to terminate.
   zx_status_t status_zx;
-  zx_signals_t signals;
-  status_zx = zx_object_wait_one(
-      child_process_,
-      ZX_PROCESS_TERMINATED,
-      ZX_TIME_INFINITE,
-      &signals);
+  status_zx = zx_object_wait_async(child_process_,
+                                   port_,
+                                   0 /* key */,
+                                   ZX_PROCESS_TERMINATED,
+                                   ZX_WAIT_ASYNC_ONCE);
   GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
 
+  // Wait for it to terminate, or an exception to be received.
+  zx_port_packet_t packet;
+  status_zx = zx_port_wait(port_, ZX_TIME_INFINITE, &packet);
+  GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
+
+  if (ZX_PKT_IS_EXCEPTION(packet.type)) {
+    // Process encountered an exception. Kill it directly rather than letting
+    // other handlers process the event.
+    status_zx = zx_task_kill(child_process_);
+    GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
+
+    // Now wait for |child_process_| to terminate.
+    zx_signals_t signals = 0;
+    status_zx = zx_object_wait_one(
+        child_process_, ZX_PROCESS_TERMINATED, ZX_TIME_INFINITE, &signals);
+    GTEST_DEATH_TEST_CHECK_(status_zx == ZX_OK);
+    GTEST_DEATH_TEST_CHECK_(signals & ZX_PROCESS_TERMINATED);
+  } else {
+    // Process terminated.
+    GTEST_DEATH_TEST_CHECK_(ZX_PKT_IS_SIGNAL_ONE(packet.type));
+    GTEST_DEATH_TEST_CHECK_(packet.signal.observed & ZX_PROCESS_TERMINATED);
+  }
+
   ReadAndInterpretStatusByte();
 
   zx_info_process_t buffer;
@@ -936,13 +969,10 @@
   set_read_fd(status);
 
   // Set the pipe handle for the child.
-  fdio_spawn_action_t add_handle_action = {
-    .action = FDIO_SPAWN_ACTION_ADD_HANDLE,
-    .h = {
-      .id = PA_HND(type, kFuchsiaReadPipeFd),
-      .handle = child_pipe_handle
-    }
-  };
+  fdio_spawn_action_t add_handle_action = {};
+  add_handle_action.action = FDIO_SPAWN_ACTION_ADD_HANDLE;
+  add_handle_action.h.id = PA_HND(type, kFuchsiaReadPipeFd);
+  add_handle_action.h.handle = child_pipe_handle;
 
   // Spawn the child process.
   status = fdio_spawn_etc(ZX_HANDLE_INVALID, FDIO_SPAWN_CLONE_ALL,
@@ -950,6 +980,14 @@
                           &add_handle_action, &child_process_, nullptr);
   GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
 
+  // Create an exception port and attach it to the |child_process_|, to allow
+  // us to suppress the system default exception handler from firing.
+  status = zx_port_create(0, &port_);
+  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
+  status = zx_task_bind_exception_port(
+      child_process_, port_, 0 /* key */, 0 /*options */);
+  GTEST_DEATH_TEST_CHECK_(status == ZX_OK);
+
   set_spawned(true);
   return OVERSEE_TEST;
 }
diff --git a/googletest/src/gtest.cc b/googletest/src/gtest.cc
index 9c25c99..bc66c97 100644
--- a/googletest/src/gtest.cc
+++ b/googletest/src/gtest.cc
@@ -3138,6 +3138,7 @@
                   "Note: Randomizing tests' orders with a seed of %d .\n",
                   unit_test.random_seed());
   }
+
   ColoredPrintf(COLOR_GREEN,  "[==========] ");
   printf("Running %s from %s.\n",
          FormatTestCount(unit_test.test_to_run_count()).c_str(),
diff --git a/googletest/test/googletest-catch-exceptions-test_.cc b/googletest/test/googletest-catch-exceptions-test_.cc
index cb018f9..af2676b 100644
--- a/googletest/test/googletest-catch-exceptions-test_.cc
+++ b/googletest/test/googletest-catch-exceptions-test_.cc
@@ -30,13 +30,14 @@
 // Author: vladl@google.com (Vlad Losev)
 //
 // Tests for Google Test itself. Tests in this file throw C++ or SEH
-// exceptions, and the output is verified by googletest-catch-exceptions-test.py.
-
-#include "gtest/gtest.h"
+// exceptions, and the output is verified by
+// googletest-catch-exceptions-test.py.
 
 #include <stdio.h>  // NOLINT
 #include <stdlib.h>  // For exit().
 
+#include "gtest/gtest.h"
+
 #if GTEST_HAS_SEH
 # include <windows.h>
 #endif
diff --git a/googletest/test/googletest-env-var-test_.cc b/googletest/test/googletest-env-var-test_.cc
index 74b9506..4fba7a6 100644
--- a/googletest/test/googletest-env-var-test_.cc
+++ b/googletest/test/googletest-env-var-test_.cc
@@ -32,10 +32,9 @@
 // A helper program for testing that Google Test parses the environment
 // variables correctly.
 
-#include "gtest/gtest.h"
-
 #include <iostream>
 
+#include "gtest/gtest.h"
 #include "src/gtest-internal-inl.h"
 
 using ::std::cout;
diff --git a/googletest/test/googletest-linked-ptr-test.cc b/googletest/test/googletest-linked-ptr-test.cc
index 6fcf512..d80ac1e 100644
--- a/googletest/test/googletest-linked-ptr-test.cc
+++ b/googletest/test/googletest-linked-ptr-test.cc
@@ -30,9 +30,9 @@
 // Authors: Dan Egnor (egnor@google.com)
 // Ported to Windows: Vadim Berman (vadimb@google.com)
 
-#include "gtest/internal/gtest-linked_ptr.h"
-
 #include <stdlib.h>
+
+#include "gtest/internal/gtest-linked_ptr.h"
 #include "gtest/gtest.h"
 
 namespace {
diff --git a/googletest/test/googletest-listener-test.cc b/googletest/test/googletest-listener-test.cc
index 639529c..b01417a 100644
--- a/googletest/test/googletest-listener-test.cc
+++ b/googletest/test/googletest-listener-test.cc
@@ -33,9 +33,10 @@
 // This file verifies Google Test event listeners receive events at the
 // right times.
 
-#include "gtest/gtest.h"
 #include <vector>
 
+#include "gtest/gtest.h"
+
 using ::testing::AddGlobalTestEnvironment;
 using ::testing::Environment;
 using ::testing::InitGoogleTest;
diff --git a/googletest/test/googletest-param-test-invalid-name1-test.py b/googletest/test/googletest-param-test-invalid-name1-test.py
index 63be043..a402c33 100644
--- a/googletest/test/googletest-param-test-invalid-name1-test.py
+++ b/googletest/test/googletest-param-test-invalid-name1-test.py
@@ -32,14 +32,7 @@
 
 __author__ = 'jmadill@google.com (Jamie Madill)'
 
-import os
-
-IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
-
-if IS_LINUX:
-  import gtest_test_utils
-else:
-  import gtest_test_utils
+import gtest_test_utils
 
 binary_name = 'googletest-param-test-invalid-name1-test_'
 COMMAND = gtest_test_utils.GetTestExecutablePath(binary_name)
diff --git a/googletest/test/googletest-param-test-invalid-name2-test.py b/googletest/test/googletest-param-test-invalid-name2-test.py
index b1a80c1..5766134 100644
--- a/googletest/test/googletest-param-test-invalid-name2-test.py
+++ b/googletest/test/googletest-param-test-invalid-name2-test.py
@@ -32,14 +32,7 @@
 
 __author__ = 'jmadill@google.com (Jamie Madill)'
 
-import os
-
-IS_LINUX = os.name == 'posix' and os.uname()[0] == 'Linux'
-
-if IS_LINUX:
-  import gtest_test_utils
-else:
-  import gtest_test_utils
+import gtest_test_utils
 
 binary_name = 'googletest-param-test-invalid-name2-test_'
 COMMAND = gtest_test_utils.GetTestExecutablePath(binary_name)
diff --git a/googletest/test/googletest-param-test2-test.cc b/googletest/test/googletest-param-test2-test.cc
index c0a908b..c562ff0 100644
--- a/googletest/test/googletest-param-test2-test.cc
+++ b/googletest/test/googletest-param-test2-test.cc
@@ -33,7 +33,7 @@
 // Google Test work.
 
 #include "gtest/gtest.h"
-#include "googletest-param-test-test.h"
+#include "test/googletest-param-test-test.h"
 
 using ::testing::Values;
 using ::testing::internal::ParamGenerator;
@@ -44,17 +44,18 @@
 ParamGenerator<int> extern_gen = Values(33);
 
 // Tests that a parameterized test case can be defined in one translation unit
-// and instantiated in another. The test is defined in googletest-param-test-test.cc
-// and ExternalInstantiationTest fixture class is defined in
-// gtest-param-test_test.h.
+// and instantiated in another. The test is defined in
+// googletest-param-test-test.cc and ExternalInstantiationTest fixture class is
+// defined in gtest-param-test_test.h.
 INSTANTIATE_TEST_CASE_P(MultiplesOf33,
                         ExternalInstantiationTest,
                         Values(33, 66));
 
 // Tests that a parameterized test case can be instantiated
 // in multiple translation units. Another instantiation is defined
-// in googletest-param-test-test.cc and InstantiationInMultipleTranslaionUnitsTest
-// fixture is defined in gtest-param-test_test.h
+// in googletest-param-test-test.cc and
+// InstantiationInMultipleTranslaionUnitsTest fixture is defined in
+// gtest-param-test_test.h
 INSTANTIATE_TEST_CASE_P(Sequence2,
                         InstantiationInMultipleTranslaionUnitsTest,
                         Values(42*3, 42*4, 42*5));
diff --git a/googletest/test/googletest-port-test.cc b/googletest/test/googletest-port-test.cc
index 15a629f..32e893f 100644
--- a/googletest/test/googletest-port-test.cc
+++ b/googletest/test/googletest-port-test.cc
@@ -30,11 +30,10 @@
 // Authors: vladl@google.com (Vlad Losev), wan@google.com (Zhanyong Wan)
 //
 // This file tests the internal cross-platform support utilities.
+#include <stdio.h>
 
 #include "gtest/internal/gtest-port.h"
 
-#include <stdio.h>
-
 #if GTEST_OS_MAC
 # include <time.h>
 #endif  // GTEST_OS_MAC
diff --git a/googletest/test/googletest-printers-test.cc b/googletest/test/googletest-printers-test.cc
index 1b1026e..4018863 100644
--- a/googletest/test/googletest-printers-test.cc
+++ b/googletest/test/googletest-printers-test.cc
@@ -33,8 +33,6 @@
 //
 // This file tests the universal value printer.
 
-#include "gtest/gtest-printers.h"
-
 #include <ctype.h>
 #include <limits.h>
 #include <string.h>
@@ -48,6 +46,7 @@
 #include <utility>
 #include <vector>
 
+#include "gtest/gtest-printers.h"
 #include "gtest/gtest.h"
 
 #if GTEST_HAS_UNORDERED_MAP_
@@ -1731,6 +1730,21 @@
   EXPECT_EQ("(1.1)", PrintToString(absl::optional<double>{1.1}));
   EXPECT_EQ("(\"A\")", PrintToString(absl::optional<std::string>{"A"}));
 }
+
+struct NonPrintable {
+  unsigned char contents = 17;
+};
+
+TEST(PrintOneofTest, Basic) {
+  using Type = absl::variant<int, StreamableInGlobal, NonPrintable>;
+  EXPECT_EQ("('int' with value 7)", PrintToString(Type(7)));
+  EXPECT_EQ("('StreamableInGlobal' with value StreamableInGlobal)",
+            PrintToString(Type(StreamableInGlobal{})));
+  EXPECT_EQ(
+      "('testing::gtest_printers_test::NonPrintable' with value 1-byte object "
+      "<11>)",
+      PrintToString(Type(NonPrintable{})));
+}
 #endif  // GTEST_HAS_ABSL
 
 }  // namespace gtest_printers_test
diff --git a/googletest/test/googletest-test2_test.cc b/googletest/test/googletest-test2_test.cc
index e50c259..0a758c7 100644
--- a/googletest/test/googletest-test2_test.cc
+++ b/googletest/test/googletest-test2_test.cc
@@ -44,17 +44,18 @@
 ParamGenerator<int> extern_gen_2 = Values(33);
 
 // Tests that a parameterized test case can be defined in one translation unit
-// and instantiated in another. The test is defined in googletest-param-test-test.cc
-// and ExternalInstantiationTest fixture class is defined in
-// gtest-param-test_test.h.
+// and instantiated in another. The test is defined in
+// googletest-param-test-test.cc and ExternalInstantiationTest fixture class is
+// defined in gtest-param-test_test.h.
 INSTANTIATE_TEST_CASE_P(MultiplesOf33,
                         ExternalInstantiationTest,
                         Values(33, 66));
 
 // Tests that a parameterized test case can be instantiated
 // in multiple translation units. Another instantiation is defined
-// in googletest-param-test-test.cc and InstantiationInMultipleTranslaionUnitsTest
-// fixture is defined in gtest-param-test_test.h
+// in googletest-param-test-test.cc and
+// InstantiationInMultipleTranslaionUnitsTest fixture is defined in
+// gtest-param-test_test.h
 INSTANTIATE_TEST_CASE_P(Sequence2,
                         InstantiationInMultipleTranslaionUnitsTest,
                         Values(42*3, 42*4, 42*5));
diff --git a/googletest/test/gtest-typed-test2_test.cc b/googletest/test/gtest-typed-test2_test.cc
index ad77c65..c284700 100644
--- a/googletest/test/gtest-typed-test2_test.cc
+++ b/googletest/test/gtest-typed-test2_test.cc
@@ -31,7 +31,7 @@
 
 #include <vector>
 
-#include "gtest-typed-test_test.h"
+#include "test/gtest-typed-test_test.h"
 #include "gtest/gtest.h"
 
 #if GTEST_HAS_TYPED_TEST_P
diff --git a/googletest/test/gtest-typed-test_test.cc b/googletest/test/gtest-typed-test_test.cc
index 5e1b7b2..93628ba 100644
--- a/googletest/test/gtest-typed-test_test.cc
+++ b/googletest/test/gtest-typed-test_test.cc
@@ -29,7 +29,7 @@
 //
 // Author: wan@google.com (Zhanyong Wan)
 
-#include "gtest-typed-test_test.h"
+#include "test/gtest-typed-test_test.h"
 
 #include <set>
 #include <vector>
diff --git a/googletest/test/gtest_all_test.cc b/googletest/test/gtest_all_test.cc
index 656066d..a9aba01 100644
--- a/googletest/test/gtest_all_test.cc
+++ b/googletest/test/gtest_all_test.cc
@@ -33,15 +33,15 @@
 //
 // Sometimes it's desirable to build most of Google Test's own tests
 // by compiling a single file.  This file serves this purpose.
-#include "googletest-filepath-test.cc"
-#include "googletest-linked-ptr-test.cc"
-#include "googletest-message-test.cc"
-#include "googletest-options-test.cc"
-#include "googletest-port-test.cc"
-#include "gtest_pred_impl_unittest.cc"
-#include "gtest_prod_test.cc"
-#include "googletest-test-part-test.cc"
-#include "gtest-typed-test_test.cc"
-#include "gtest-typed-test2_test.cc"
-#include "gtest_unittest.cc"
-#include "production.cc"
+#include "test/googletest-filepath-test.cc"
+#include "test/googletest-linked-ptr-test.cc"
+#include "test/googletest-message-test.cc"
+#include "test/googletest-options-test.cc"
+#include "test/googletest-port-test.cc"
+#include "test/gtest_pred_impl_unittest.cc"
+#include "test/gtest_prod_test.cc"
+#include "test/googletest-test-part-test.cc"
+#include "test/gtest-typed-test_test.cc"
+#include "test/gtest-typed-test2_test.cc"
+#include "test/gtest_unittest.cc"
+#include "test/production.cc"