REGRESSION: -nowarn will not suppress warnings
<code>
import java.util.ArrayList;
import java.util.List;

public class Foo {
    public static void main(String[] args) throws Throwable {
        List<String> list = new ArrayList();
    }
}
</code>
Output with b79
<output>
bash-3.00$ javac -Xlint -nowarn Foo.java
Foo.java:6: warning: [unchecked] unchecked conversion
found : java.util.ArrayList
required: java.util.List<java.lang.String>
        List<String> list = new ArrayList();
                            ^
1 warning
bash-3.00$ javac -version
javac 1.6.0-beta2
bash-3.00$ java -version
java version "1.6.0-beta2"
Java(TM) SE Runtime Environment (build 1.6.0-beta2-b79)
Java HotSpot(TM) Client VM (build 1.6.0-beta2-b79, mixed mode)
</output>

Output with Tiget
<output-tiger>
bash-3.00$ /net/sqindia/export/disk09/jdk/1.5.0/rc/b63/binaries/solsparc/bin/javac -Xlint -nowarn Foo.java
bash-3.00$ /net/sqindia/export/disk09/jdk/1.5.0/rc/b63/binaries/solsparc/bin/java -version
java version "1.5.0-rc"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-rc-b63)
Java HotSpot(TM) Client VM (build 1.5.0-rc-b63, mixed mode)
</output-tiger>

With tiger build generates no warnings.