[BC] Patch: Cached class map

[Andrew Haley]

Andrew Haley writes:
 > Andrew Haley writes:
 >  > 
 >  >     gij --cp foo.jar -Djava.precompiled.db=foo.db <whatever>
 > 
 >  gij --cp foo.jar -Djava.precompiled.db=foo.gcjdb

gij --cp foo.jar -Dgnu.gcj.precompiled.db=foo.gcjdb f

I am cursed.  Goodnight.

Andrew.