https://gcc.gnu.org/bugzilla/show_bug.cgi?id=19808
--- Comment #33 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Manuel López-Ibáñez from comment #32) > (In reply to Richard Biener from comment #31) > > This is really a dup of PR2972. > > > > *** This bug has been marked as a duplicate of bug 2972 *** > > No, it is not. The difference is explained by Jason in comment #22 and the > existing bug by me in comment #23. > > There is not only a conceptual difference but a difference in difficulty. > This bug can be solved entirely by the C++ FE (and this is what the patch in > comment #29 does) while PR2972 needs middle-end support. I have a fix for PR2972 and it also correctly handles this case so why is it "conceptually different"?