Patch: FYI: split up parser build

[Andrew Haley]

Tom Tromey writes:
 > Gerald> Do you see any other idea to reduce memory consumption that leads to
 > Gerald> the failure building gnu/javax/swing/text/html/parser/HTML_401F.lo?
 > 
 > This class hasn't changed in a while.  So if this worked ok for you
 > after the big gcj-eclipse merge, and then more recently started
 > failing, then I would say that this is a space regression elsewhere
 > in GCC.

I don't think that such a space regression is surprising.  The .class
front-end generates trees that are more verbose than those of the old
.java front-end.  There are possibilities for improvement here.

Andrew.