[Bug driver/78772] -fstrict-aliasing should turn on Wstrict-aliasing automaticly

[ma.jiang at zte dot com.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78772

--- Comment #1 from ma.jiang at zte dot com.cn ---
Created attachment 40308
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40308&action=edit
proposed patch