https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112723
--- Comment #3 from Yi <652023330028 at smail dot nju.edu.cn> --- https://godbolt.org/z/zKq3dsqW3 This is a regression since gcc-7.3. If the bisection right: https://github.com/gcc-mirror/gcc/commit/540b5cb6c70.
