[Bug middle-end/63510] Wrong line number in Wstrict-overflow message

[gang.chen.5i5j at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63510

--- Comment #11 from Chen Gang <gang.chen.5i5j at gmail dot com> ---
Created attachment 36267
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36267&action=edit
The related fix patch for it.

The related fix patch for it: current input_location isn't precise for
reporting warning. The correct location is gimple location of current
statement.