-g broken for DWARF2 on x86 platforms

[Jason Merrill]

>>>>> J Kean Johnston <jkj@sco.com> writes:

> Compiling C++ stuff with -g is broken on any platform with uses (or can
> use) DWARF or DWARF2.  Both on SCO and Linux dwarf2 -g causes unknown
> symbols (for example .L_T6310) to be output.

-gdwarf2 produces DWARF 1 output (debug level 2).
-gdwarf-2 produces DWARF 2 output.
The undefined symbol bug appears only to affect dwarf 1.

Jason