On Tue, Nov 21 2017, Jeff Law wrote: > On 11/21/2017 04:14 AM, Dominik Inführ wrote: >> Hi, >> >> this patch tries to extend tree-ssa-dce.c to remove unnecessary >> new/delete-pairs (it already does that for malloc/free). Clang does it too >> and it seems to be allowed by >> http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3664.html. I’ve >> bootstrapped/regtested on aarch64-linux and x86_64-linux. > Just a note, we've transitioned into stage3 in preparation for the > upcoming gcc-8 release in the spring. During stage3 we're addressing > bugfixes, not further enhancements (with the exception of enhancements > that were posted prior to stage1 close). > > So it's unlikely anyone will dig into this right now, unless there's an > existing bugzilla around this missed optimization.
Unless I am mistaken, I think it is PR 23383 Martin
