[PATCH] gdb: use actual DWARF version in compunit's debugformat field

[Tom Tromey]

>>>>> "Simon" == Simon Marchi via Gdb-patches <gdb-patches@sourceware.org> writes:

Simon> -  get_builder ()->record_debugformat ("DWARF 2");
Simon> +  get_builder ()->record_debugformat
Simon> +    (gdb_obstack_printf
Simon> +       (&this->per_objfile->objfile->objfile_obstack,
Simon> +	"DWARF %u", this->header.version));
Simon>    get_builder ()->record_producer (producer);

If you use objfile::intern, you'll end up with just a single copy of
this string on the obstack, instead of one per CU.

Tom