With the changes for BOZ literals (cf. also PR 34392), some range checks got disabled.
Example: DOUBLE PRECISION inf DATA inf / Z'7FF0000000000000' / -- Summary: BOZ literals: Range checks Product: gcc Version: 4.3.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34398