https://issues.dlang.org/show_bug.cgi?id=4179
--- Comment #13 from Ivan Kazmenko <ga...@mail.ru> --- (In reply to Andrei Alexandrescu from comment #12) > We've just had this issue at work, looks like undefined behavior. An > associative array with keys deleted during iteration caused crashes without > stack trace and without core dump. > > The right thing here is to throw an exception if an AA is removed from > during an iteration. Not just removal. Even *adding* (not deleting) elements to associative array can cause reallocation and undefined behavior as well: https://issues.dlang.org/show_bug.cgi?id=12218 --
