Regression: yes
Build found on: JDK1.1.7L
Build last worked: JDK1.1.7J

Compiling a simple java file throws IllegalArgumentException when
using the JIT on Win32.

Details:
javac ArithmeticTest.java

java.lang.IllegalArgumentException: unknown format type at
        at java.text.MessageFormat.makeFormat(MessageFormat.java:802)
        at java.text.MessageFormat.applyPattern(Compiled Code)
        at java.text.MessageFormat.<init>(MessageFormat.java:228)
        at java.text.MessageFormat.format(MessageFormat.java:446)
        at sun.tools.javac.Main.getText(Main.java:132)
        at sun.tools.javac.BatchEnvironment.errorString(BatchEnvironment.java:577)
        at sun.tools.javac.BatchEnvironment.error(BatchEnvironment.java:790)
        at sun.tools.java.Environment.error(Environment.java:611)
        at sun.tools.java.Environment.error(Environment.java:623)
        at sun.tools.java.Parser.parseFile(Compiled Code)
        at sun.tools.javac.BatchEnvironment.parseFile(BatchEnvironment.java:215)
        at sun.tools.javac.Main.compile(Compiled Code)
        at sun.tools.javac.Main.main(Main.java:465)
java.lang.IllegalArgumentException: unknown format type at
        at java.text.MessageFormat.makeFormat(MessageFormat.java:802)
        at java.text.MessageFormat.applyPattern(Compiled Code)
        at java.text.MessageFormat.<init>(MessageFormat.java:228)
        at java.text.MessageFormat.format(MessageFormat.java:446)
        at sun.tools.javac.Main.getText(Main.java:132)
        at sun.tools.javac.BatchEnvironment.errorString(BatchEnvironment.java:577)
        at sun.tools.javac.BatchEnvironment.error(BatchEnvironment.java:790)
        at sun.tools.java.Environment.error(Environment.java:623)
        at sun.tools.javac.Main.compile(Compiled Code)
        at sun.tools.javac.Main.main(Main.java:465)

See attachment (arithmetictest.java).