[PATCH] gdb: fix debug expression dumping of function call expressions

[Andrew Burgess]

* Tom Tromey <tom@tromey.com> [2020-11-06 11:38:43 -0700]:

> Andrew> In this commit I have cleaned up all of the debug-expr.exp files a
> Andrew> little, there was a helper function that had clearly been copied into
> Andrew> each file, this is now moved into lib/gdb.exp.
> 
> Andrew> I've added a gdb.fortran/debug-expr.exp test file, and extended
> Andrew> gdb.base/debug-expr.exp to cover the function call case.
> 
> This looks good to me.  Thank you for doing this.

Thanks, pushed.

Andrew