[Bug debug/65821] [4.8/4.9/5/6 regression] incorrect debug line # info for main

[chihin.ko at oracle dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65821

--- Comment #5 from chihin ko <chihin.ko at oracle dot com> ---
Created attachment 35381
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35381&action=edit
test case 1/1