Found at http://groups.google.com/group/gg95/browse_thread/thread/d27f173506fbb9cc
The following program compiles without any warning, but NAG f95 prints: Error: line 6: Value 2 in ORDER arg to RESHAPE duplicated integer, dimension(6) :: source1 = (/ 1, 2, 3, 4, 5, 6 /) integer, dimension(2) :: shape1 = (/ 2, 5/) integer, dimension(2) :: pad1 = (/ 0, 0/) write (unit=*,fmt=*) reshape(source1, shape1, pad1, (/2,1/)) ! Valid write (unit=*,fmt=*) reshape(source1, shape1, pad1, (/2,2/)) ! Invalid end -- Summary: Check ORDER= of RESHAPE Product: gcc Version: 4.4.0 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=37203