[Bug middle-end/88175] Showing header file instead of source code line for uninitialized variable

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88175

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
> string dummy; // for some reason this is needed to force the error to be shown as  header.h:8:16:

causes the struct to be a non-POD and the copy constructor to be created
differently.