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From: "anlauf at gmx dot de" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug libfortran/31001] New: PACK crashes on zero-sized arrays Date: Wed, 28 Feb 2007 22:16:00 -0000 [thread overview] Message-ID: <bug-31001-6318@http.gcc.gnu.org/bugzilla/> (raw) Hi, the following legal program crashes with a segfault at runtime: program gfcbug60 implicit none integer :: i, j integer, allocatable :: mm(:) logical, allocatable :: mask(:) do i = 1, 0, -1 print *, "i =", j allocate (mm(i), mask(i)) mm(:) = 1 mask(:) = (mm == 0) j = count (mask) print *, "j =", j print *, "mm =", mm print *, "mask =", mask ! gfortran runtime crash for i=j=0: bug in pack for 0-sized arrays! print *, "pack (mm, mask) =", pack (mm, mask) deallocate (mm, mask) print * end do end program gfcbug60 % gfc gfcbug60.f90 && ./a.out i = 0 j = 0 mm = 1 mask = F pack (mm, mask) = i = 0 j = 0 mm = mask = Segmentation fault (core dumped) -- Summary: PACK crashes on zero-sized arrays Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libfortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: anlauf at gmx dot de GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31001
next reply other threads:[~2007-02-28 22:16 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2007-02-28 22:16 anlauf at gmx dot de [this message] 2007-03-03 10:38 ` [Bug libfortran/31001] " fxcoudert at gcc dot gnu dot org 2007-03-03 14:24 ` fxcoudert at gcc dot gnu dot org 2007-03-03 16:38 ` fxcoudert at gcc dot gnu dot org 2007-03-04 7:20 ` [Bug libfortran/31001] [4.1/4.2 only] " fxcoudert at gcc dot gnu dot org 2007-03-05 4:11 ` mmitchel at gcc dot gnu dot org 2007-03-08 12:35 ` fxcoudert at gcc dot gnu dot org 2007-03-14 10:49 ` [Bug libfortran/31001] [4.1 " fxcoudert at gcc dot gnu dot org
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