Possible patch for fortran/65766

[Louis Krupp]

---- On Fri, 31 Jul 2015 13:37:15 -0700 FX<fxcoudert@gmail.com> wrote ---- 
 > > +2015_07_31 
 > > + 
 > > +    PR fortran/65766 
 > > +    * resolve.c (gfc_resolve_substring_charlen): Use typespec of string 
 > > +    component when resolving substring length 
 >  
 > You didn’t state what testing was done on that. 
 > Once fully bootstrapped and regtested on a primary target, OK to commit. 
 
I did make, "make install," and "make check-fortran," and there were no regressions.  I'm running on Fedora 21.

(I've never fixed anything in gcc before.  Does my name go in ChangeLog, or that of the person authorized to commit?)

Louis