As part of bug fix for https://bugs.openjdk.java.net/browse/JDK-7196160 , this changeset was pushed: http://hg.openjdk.java.net/jdk9/dev/langtools/rev/9fe158562a96

Two of the test files in the above changeset do not have the corresponding bug id.
This issue was caught as part of the changeset check monitoring job that is run on nightly builds.
Please update two tests for the given bug id.
test/tools/javac/varargs/warning/Warn4.java
test/tools/javac/varargs/warning/Warn5.java