to keep track of the issue mentioned here http://gcc.gnu.org/ml/gcc-patches/2009-01/msg00937.html
the frontend should do the right thing here, to make TBAA work just fine. -- Summary: Fortran has a type merging problem Product: gcc Version: 4.4.0 Status: UNCONFIRMED Keywords: missed-optimization Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: jv244 at cam dot ac dot uk OtherBugsDependingO 36854 nThis: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38965