Fixes death-test-related tests on Windows, by Vlad Losev.

include/gtest/internal/gtest-internal.h

@@ -616,6 +616,7 @@ class TypedTestCasePState {
       fprintf(stderr, "%s Test %s must be defined before "
               "REGISTER_TYPED_TEST_CASE_P(%s, ...).\n",
               FormatFileLocation(file, line).c_str(), test_name, case_name);
+      fflush(stderr);
       abort();
     }
     defined_test_names_.insert(test_name);

include/gtest/internal/gtest-port.h

@@ -198,7 +198,7 @@
 // simple regex implementation instead.
 #define GTEST_USES_SIMPLE_RE 1
 
-#endif  // GTEST_OS_LINUX
+#endif  // GTEST_OS_CYGWIN || GTEST_OS_LINUX || GTEST_OS_MAC
 
 // Defines GTEST_HAS_EXCEPTIONS to 1 if exceptions are enabled, or 0
 // otherwise.