Fix build of Objective-C++ files with new clang versions.
diff --git a/include/gtest/internal/gtest-port.h b/include/gtest/internal/gtest-port.h
index d8f22c2..208dcfb 100644
--- a/include/gtest/internal/gtest-port.h
+++ b/include/gtest/internal/gtest-port.h
@@ -498,6 +498,11 @@
# define _HAS_EXCEPTIONS 1
# endif // _HAS_EXCEPTIONS
# define GTEST_HAS_EXCEPTIONS _HAS_EXCEPTIONS
+# elif defined(__clang__)
+// __EXCEPTIONS determines if cleanups are enabled. In Obj-C++ files, there can
+// be cleanups for ObjC exceptions, but C++ exceptions might still be disabled.
+// So use a __has_feature check for C++ exceptions instead.
+# define GTEST_HAS_EXCEPTIONS __has_feature(cxx_exceptions)
# elif defined(__GNUC__) && __EXCEPTIONS
// gcc defines __EXCEPTIONS to 1 iff exceptions are enabled.
# define GTEST_HAS_EXCEPTIONS 1