https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88173
--- Comment #1 from Christoph Conrads <g...@christoph-conrads.name> --- Created attachment 45075 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45075&action=edit Code pre-processed with GCC 7.3.0 on Ubuntu 18.04 LTS This file was created with $ g++ -Wextra -Wall -std=c++11 -pedantic --save-temps nan.cpp on Ubuntu 18.04 LTS.