> > It's the array of std::string that the std::initializer_list refers to > that causes the problem. > > In the faster code there is no array of std::string, it's an array of > const char*. Initializing a const char* can't throw an exception, and > destroying it is a no-op, so there's no exception handling code needed > for the array. Makes sense. Thanks for the explanation. I guess this is something to keep in mind when using initializer_list with a large number of non-trivial types. -mandeep
