gcj may create bogus filenames with -save-temps

[Tom Tromey]

>>>>> "Rainer" == Rainer Orth <ro@TechFak.Uni-Bielefeld.DE> writes:

Rainer> Trying to link an existing object file with gcj --main, I
Rainer> noticed that no basename is specified for the C++ source
Rainer> generated by jvgenmain with -save-temps, leading to bogus
Rainer> filenames .i, .s, ...:

I finally have a patch to fix this.  I'll be committing it shortly.
Thanks.

Tom