As reported by Kai Tietz, the testsuite fails under MinGW64 due to the \r\n vs. \n line breaks:
Possible patch for ftell_3.f90 (created for PR 43605): Index: ftell_3.f90 =================================================================== --- ftell_3.f90 (revision 161500) +++ ftell_3.f90 (working copy) @@ -15,3 +15,4 @@ program ftell_3 call ftell(10, i) - if(i /= 7) then +! Expected: On '\n' systems: 7, on \r\n systems: 8 + if(i /= 7 .and. i /= 8) then call abort() @@ -23,3 +24,4 @@ program ftell_3 call ftell(10,i) - if (i /= 11) then +! Expected: On '\n' systems: 11, on \r\n systems: 13 + if (i /= 11 .and. i /= 13) then call abort() -- Summary: I/O testsuite failures: \r\n vs \n - gfortran.dg/ftell_3.f90 Product: gcc Version: 4.6.0 Status: UNCONFIRMED 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=44697