Casts char to unsigned char before calling isspace() etc to avoid undefined behavior (by Zhanyong Wan); removes conditional #includes keyed on GTEST_HAS_PROTOBUF_ (by Zhanyong Wan); publishes GTEST_HAS_STREAM_REDIRECTION (by Vlad Losev); forward declares some classes properly (by Samuel Benzaquen); honors the --gtest_catch_exceptions flag (by Vlad Losev).

test/gtest-printers_test.cc

@@ -817,7 +817,7 @@ TEST(PrintStlContainerTest, HashMultiSet) {
   std::vector<int> numbers;
   for (size_t i = 0; i != result.length(); i++) {
     if (expected_pattern[i] == 'd') {
-      ASSERT_TRUE(isdigit(result[i]) != 0);
+      ASSERT_TRUE(isdigit(static_cast<unsigned char>(result[i])) != 0);
       numbers.push_back(result[i] - '0');
     } else {
       EXPECT_EQ(expected_pattern[i], result[i]) << " where result is "