https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65503
Jason Merrill <jason at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2015-03-26
CC| |jason at gcc dot gnu.org
Ever confirmed|0 |1
--- Comment #3 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Mikhail Maltsev from comment #2)
> Also, I noticed that in some cases GCC is able to generate a loop for
> initialization:
>
> #include <string>
>
> int main() {
> std::string m[1000] {"x", "y"};
> std::string n[1000] = {"x", "y"};
> }
>
> That is done in cp/init.c:build_vec_init. But for the original testcase, the
> loop is not created. Is it a bug?
It's a poor optimization choice; we ought to build a loop for member array
initialization as well as array variables.
