5 files changed, 21 insertions, 5 deletions
diff --git a/googletest/CMakeLists.txt b/googletest/CMakeLists.txt
index e33718b..6e42c5c 100644
--- a/googletest/CMakeLists.txt
+++ b/googletest/CMakeLists.txt
@@ -40,8 +40,12 @@ endif()
 # as ${gtest_SOURCE_DIR} and to the root binary directory as
 # ${gtest_BINARY_DIR}.
 # Language "C" is required for find_package(Threads).
+
+# Project version:
+
 if (CMAKE_VERSION VERSION_LESS 3.0)
   project(gtest CXX C)
+  set(PROJECT_VERSION ${GOOGLETEST_VERSION})
 else()
   cmake_policy(SET CMP0048 NEW)
   project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
diff --git a/googletest/cmake/internal_utils.cmake b/googletest/cmake/internal_utils.cmake
index 489223a..1909faf 100644
--- a/googletest/cmake/internal_utils.cmake
+++ b/googletest/cmake/internal_utils.cmake
@@ -77,6 +77,10 @@ macro(config_compiler_and_linker)
     # Suppress "unreachable code" warning
     # http://stackoverflow.com/questions/3232669 explains the issue.
     set(cxx_base_flags "${cxx_base_flags} -wd4702")
+  elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
+    set(cxx_base_flags "-Wall -Wshadow -Werror")
+    set(cxx_exception_flags "-fexceptions")
+    set(cxx_no_exception_flags "-fno-exceptions")
   elseif (CMAKE_COMPILER_IS_GNUCXX)
     set(cxx_base_flags "-Wall -Wshadow -Werror")
     if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0.0)
diff --git a/googletest/include/gtest/gtest-matchers.h b/googletest/include/gtest/gtest-matchers.h
index 9a8841b..846b945 100644
--- a/googletest/include/gtest/gtest-matchers.h
+++ b/googletest/include/gtest/gtest-matchers.h
@@ -599,21 +599,26 @@ class ComparisonBase {
   }
 
  private:
-  template <typename Lhs>
+  template <typename T>
+  static const T& Unwrap(const T& v) { return v; }
+  template <typename T>
+  static const T& Unwrap(std::reference_wrapper<T> v) { return v; }
+
+  template <typename Lhs, typename = Rhs>
   class Impl : public MatcherInterface<Lhs> {
    public:
     explicit Impl(const Rhs& rhs) : rhs_(rhs) {}
     bool MatchAndExplain(Lhs lhs,
                          MatchResultListener* /* listener */) const override {
-      return Op()(lhs, rhs_);
+      return Op()(lhs, Unwrap(rhs_));
     }
     void DescribeTo(::std::ostream* os) const override {
       *os << D::Desc() << " ";
-      UniversalPrint(rhs_, os);
+      UniversalPrint(Unwrap(rhs_), os);
     }
     void DescribeNegationTo(::std::ostream* os) const override {
       *os << D::NegatedDesc() <<  " ";
-      UniversalPrint(rhs_, os);
+      UniversalPrint(Unwrap(rhs_), os);
     }
 
    private:
diff --git a/googletest/include/gtest/gtest.h b/googletest/include/gtest/gtest.h
index beda83f..5046f7d 100644
--- a/googletest/include/gtest/gtest.h
+++ b/googletest/include/gtest/gtest.h
@@ -2394,7 +2394,8 @@ bool StaticAssertTypeEq() {
 //     EXPECT_EQ(a_.size(), 0);
 //     EXPECT_EQ(b_.size(), 1);
 //   }
-
+//
+// GOOGLETEST_CM0011 DO NOT DELETE
 #define TEST_F(test_fixture, test_name)\
   GTEST_TEST_(test_fixture, test_name, test_fixture, \
               ::testing::internal::GetTypeId<test_fixture>())
diff --git a/googletest/test/googletest-param-test-test.cc b/googletest/test/googletest-param-test-test.cc
index 2ab9b1b..6c187df 100644
--- a/googletest/test/googletest-param-test-test.cc
+++ b/googletest/test/googletest-param-test-test.cc
@@ -964,6 +964,8 @@ INSTANTIATE_TEST_SUITE_P(StatefulNamingFunctor, StatefulNamingTest, Range(0, 5),
 class Unstreamable {
  public:
   explicit Unstreamable(int value) : value_(value) {}
+  // -Wunused-private-field: dummy accessor for `value_`.
+  const int& dummy_value() const { return value_; }
 
  private:
   int value_;