https://issues.dlang.org/show_bug.cgi?id=13809
--- Comment #1 from [email protected] --- Commits pushed to master at https://github.com/D-Programming-Language/druntime https://github.com/D-Programming-Language/druntime/commit/949e7348f14a322c6b7de05d3a249086a51f0995 fix Issue 13809 - dup no longer works with types with postblit and destructors - nested function literal is also assumed to be pure therefor the compiler complains about an impure destructor - move the typeof to a separate _PostBlitType template as we only use it to get the postblit attributes https://github.com/D-Programming-Language/druntime/commit/b66f2db7efabbaaf7473d4d51ded242db7ce388b Merge pull request #1054 from MartinNowak/fix13809 fix Issue 13809 - dup no longer works with types with postblit and destructors --
