Renames test script flags.

include/gmock/gmock-more-actions.h

@@ -198,7 +198,17 @@ ACTION_TEMPLATE(DeleteArg,
 // Action Throw(exception) can be used in a mock function of any type
 // to throw the given exception.  Any copyable value can be thrown.
 #if GTEST_HAS_EXCEPTIONS
+
+// Suppresses the 'unreachable code' warning that VC generates in opt modes.
+#ifdef _MSC_VER
+#pragma warning(push)          // Saves the current warning state.
+#pragma warning(disable:4702)  // Temporarily disables warning 4702.
+#endif
 ACTION_P(Throw, exception) { throw exception; }
+#ifdef _MSC_VER
+#pragma warning(pop)           // Restores the warning state.
+#endif
+
 #endif  // GTEST_HAS_EXCEPTIONS
 
 #ifdef _MSC_VER