https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85960 --- Comment #3 from Gianni Tedesco <gianni at scaramanga dot co.uk> --- Both gcc-7.3 and gcc-8 from ubuntu on x86-64: gcc version 8.0.1 20180414 (experimental) [trunk revision 259383] (Ubuntu 8-20180414-1ubuntu2) gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)