https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78386
--- Comment #2 from Breno Leitao <brenohl at br dot ibm.com> --- I did further tests with older versions, and the problem is also reproducible, so, this is not a regression. These are the versions I tested also: * gcc-5 (Debian 5.4.1-3) 5.4.1 20161019 * gcc-4 (Debian 4.9.4-2) 4.9.4