When natively compiling Eclipse jars with -O2, I get a compiler error: $ gcj -fnew-verifier -fPIC -fjni -findirect-dispatch -shared -O2 -o eclipse/startup.jar.so eclipse/startup.jar org/eclipse/core/launcher/Main.java: In class 'org.eclipse.core.launcher.Main': org/eclipse/core/launcher/Main.java: In method 'org.eclipse.core.launcher.Main.adjustTrailingSlash(java.net.URL,boolean)': org/eclipse/core/launcher/Main.java:0: internal compiler error: in copy_to_mode_reg, at explow.c:635
Compiling without -O2 (exact same other arguments) gives no errors. startup.jar can be found here: http://dev.eclipse.org/viewcvs/index.cgi/~checkout~/org.eclipse.releng.basebuilder/ $ gcj --version gcj (GCC) 4.0.0 20041130 (experimental) -- Summary: jar -> .so optimization problem Product: gcc Version: 4.0.0 Status: UNCONFIRMED Severity: normal Priority: P2 Component: java AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: overholt at redhat dot com CC: gcc-bugs at gcc dot gnu dot org,java-prs at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18931