------- Comment #3 from bkoz at gcc dot gnu dot org 2007-09-26 17:27 -------
OK. Now there are tests for all of algorithms for defaultconstructable. As per 20.1, this is not required for template arguments unless the standard explicitly notes it. http://gcc.gnu.org/ml/gcc-patches/2007-09/msg01921.html >From this, we can see that the following parallel algorithms have issues with this: merge nth_element partial_sort random_shuffle set_difference set_intersection set_symmetric_difference set_union sort stable_sort partial_sum -benjamin -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33489