https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90923
--- Comment #3 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Mon Jul 1 18:33:36 2019 New Revision: 272893 URL: https://gcc.gnu.org/viewcvs?rev=272893&root=gcc&view=rev Log: PR middle-end/90923 - hash_map destroys elements without constructing them gcc/ChangeLog: PR middle-end/90923 * hash-map.h (hash_map::put): On insertion invoke element ctor. (hash_map::get_or_insert): Same. Reformat comment. * hash-set.h (hash_set::add): On insertion invoke element ctor. * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): New. * hash-set-tests.c (test_map_of_type_with_ctor_and_dtor): New. * hash-table.h (hash_table::operator=): Prevent copy assignment. (hash_table::hash_table (const hash_table&)): Use copy ctor instead of assignment to copy elements. Modified: trunk/gcc/ChangeLog trunk/gcc/hash-map-tests.c trunk/gcc/hash-map.h trunk/gcc/hash-set-tests.c trunk/gcc/hash-set.h trunk/gcc/hash-table.h