6763518: Impossible to suppress raw-type warnings
Summary: Check.validate(Type) should be invoked after -Xlint is augmented in Attr.visitVarDef
Reviewed-by: darcy
./bootstrap/bin/javac
./bootstrap/bin/javadoc
./bootstrap/bin/javah
./bootstrap/lib/doclets.jar
./bootstrap/lib/javac.jar
./bootstrap/lib/javadoc.jar
./bootstrap/lib/javah.jar
./lib/classes.jar
./lib/src.zip