$ cat ar.java import java.util.regex.*; public class ar { public static void main (String args[]) { Pattern p = Pattern.compile ("[0-9.]++\\%"); } } $ gcj -C ar.java $ gij ar $ gij ar Exception in thread "main" java.util.regex.PatternSyntaxException: At position 8 in regular expression pattern: attempted to repeat a token that is already repeated [0-9.]++\% ^ at java.util.regex.Pattern.Pattern(java.lang.String, int) (/usr/lib/libgcj.so.6.0.0) at java.util.regex.Pattern.compile(java.lang.String, int) (/usr/lib/libgcj.so.6.0.0) at java.util.regex.Pattern.compile(java.lang.String) (/usr/lib/libgcj.so.6.0.0) at ar.main(java.lang.String[]) (Unknown Source) at gnu.java.lang.MainThread.call_main() (/usr/lib/libgcj.so.6.0.0) at gnu.java.lang.MainThread.run() (/usr/lib/libgcj.so.6.0.0)
-- Summary: Regex bug "++" Product: gcc Version: 4.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libgcj AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: green at redhat dot com http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26202