[Bug c/66263] Performance regression from gcc-4.8 and up (trivial sudoku program)

[bdeyal at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66263

--- Comment #1 from EyalBD <bdeyal at gmail dot com> ---
Created attachment 35606
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35606&action=edit
Input file for running