javac improperly extends superclass's scope to implements clause

frog$ newjavac T.java
+ /net/frog/gafter/gjc-neal/build/solaris-sparc/bin/java -Xbootclasspath/p:/net/frog/gafter/gjc-neal/gjclasses2 -classpath /net/frog/gafter/gjc-neal/gjclasses2:/net/frog/gafter/gjc-neal/make/tools/javac/gjc.jar:/net/frog/gafter/gjc-neal/make/tools/javac/gjcmain.jar com.sun.tools.javac.Main T.java
frog$
frog$
frog$ cat -n T.java
     1 class P {
     2 interface I {}
     3 }
     4
     5 class T extends P implements I { // error: no I in scope
     6 }
frog$ javac1.4 T.java
+ /usr/local/java/jdk1.4.0/solsparc/bin/javac T.java
frog$