I am attaching a test case written by Santiago Pericas-Geertsen. This affects the xsltc tests causing OutOfMemory problems. According to Norbert this may be a regression caused by 4018937
//
// Written by ###@###.###
//

import java.text.DecimalFormat;
import java.text.NumberFormat;
import java.util.Locale;

public final class Test {

    public static void main(String[] args) throws Exception {
        NumberFormat f = NumberFormat.getInstance(Locale.getDefault());
        /* 
         * In earlier JDK's it was OK to use MAX_VALUE to avoid truncation.
         * In Tiger, this causes toPattern() to loop and run out of memory.
         * (c.f. line 2194 of java.text.DecimalFormat.java) I haven't 
         * checked the Javadoc for Tiger, but it this has changed it will
         * not be backward compatible with earlier JDK's.
         */
        f.setMaximumFractionDigits(Integer.MAX_VALUE);
        String p =  ((DecimalFormat) f).toPattern();
    }
}