The program program gftest
write(*,'(a)') 'Hello World' end program gftest generates the erroneous error report At line 3 of file gftest.f90 Fortran runtime error: Missing initial left parenthesis in format Äø when compiled with the "-malign-double" flag. In a larger program "-malign-double" results in various undefined behaviour including segmentation faults. -- Summary: -malign-double breaks formatted IO Product: gcc Version: tree-ssa Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: refson dot temp at ntlworld dot com GCC build triplet: i686-pc-linux-gnu GCC host triplet: i686-pc-linux-gnu GCC target triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29562