Found while building rhino's js.jar. Grab js.jar from http://spindazzle.org/js.jar (sources from JPackage.org).
Try.... $ gcj -O1 -shared -o js.jar.so js.jar I get an ICE in update_aliases, at java/decl.c:163 -- Summary: ICE in update_aliases, at java/decl.c:163 Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: green at redhat dot com CC: aph at redhat dot com,gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu dot org GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20522