Fix warnings encountered with clang -Wall.

include/gtest/internal/gtest-port.h

@@ -810,8 +810,8 @@ class Secret;
 // expression is true. For example, you could use it to verify the
 // size of a static array:
 //
-//   GTEST_COMPILE_ASSERT_(ARRAYSIZE(content_type_names) == CONTENT_NUM_TYPES,
-//                         content_type_names_incorrect_size);
+//   GTEST_COMPILE_ASSERT_(GTEST_ARRAY_SIZE_(names) == NUM_NAMES,
+//                         names_incorrect_size);
 //
 // or to make sure a struct is smaller than a certain size:
 //
@@ -879,6 +879,9 @@ struct StaticAssertTypeEqHelper;
 template <typename T>
 struct StaticAssertTypeEqHelper<T, T> {};
 
+// Evaluates to the number of elements in 'array'.
+#define GTEST_ARRAY_SIZE_(array) (sizeof(array) / sizeof(array[0]))
+
 #if GTEST_HAS_GLOBAL_STRING
 typedef ::string string;
 #else

test/gtest-printers_test.cc

@@ -125,6 +125,7 @@ namespace foo {
 class UnprintableInFoo {
  public:
   UnprintableInFoo() : z_(0) { memcpy(xy_, "\xEF\x12\x0\x0\x34\xAB\x0\x0", 8); }
+  double z() const { return z_; }
  private:
   char xy_[8];
   double z_;

test/gtest-unittest-api_test.cc

@@ -54,7 +54,7 @@ class UnitTestHelper {
  public:
   // Returns the array of pointers to all test cases sorted by the test case
   // name.  The caller is responsible for deleting the array.
-  static TestCase const** const GetSortedTestCases() {
+  static TestCase const** GetSortedTestCases() {
     UnitTest& unit_test = *UnitTest::GetInstance();
     TestCase const** const test_cases =
         new const TestCase*[unit_test.total_test_case_count()];
@@ -83,7 +83,7 @@ class UnitTestHelper {
   // Returns the array of pointers to all tests in a particular test case
   // sorted by the test name.  The caller is responsible for deleting the
   // array.
-  static TestInfo const** const GetSortedTests(const TestCase* test_case) {
+  static TestInfo const** GetSortedTests(const TestCase* test_case) {
     TestInfo const** const tests =
         new const TestInfo*[test_case->total_test_count()];