https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92762
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> --- Author: msebor Date: Mon Dec 9 20:54:11 2019 New Revision: 279139 URL: https://gcc.gnu.org/viewcvs?rev=279139&root=gcc&view=rev Log: PR middle-end/92761 - hash_table::expand invokes assignment on invalid objects PR middle-end/92762 - hash_table::empty_slow invokes assignment on invalid objects gcc/ChangeLog: PR middle-end/92761 PR middle-end/92762 * hash-map-tests.c (test_map_of_type_with_ctor_and_dtor): Tighten up tests. * hash-table.h (hash_table::expand): Use placement new to copy construct objects in uninitialized storage. (hash_table::empty_slow): Avoid invoking copy assignment on uninitialized objects. Modified: trunk/gcc/ChangeLog trunk/gcc/hash-map-tests.c trunk/gcc/hash-table.h