https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68589 --- Comment #4 from David Bacon <bacon at cs dot nyu.edu> --- This bug was first observed in gcc 4.9.3, but since it is also present in 5.2.0, I have changed the Version field in this bug report from 4.9.3 to 5.2.0. dB