As in the subject line; this feature was added (thanks, Paul!) but the documentation is still pending.
-- Summary: %VAL and related features need to be documented. Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: documentation Severity: normal Priority: P3 Component: fortran AssignedTo: pault at gcc dot gnu dot org ReportedBy: brooks at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31160