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* [Bug fortran/36683] New: -fbounds-check failure for allocated array and spread @ 2008-07-01 5:22 terry at chem dot gu dot se 2008-07-01 19:22 ` [Bug fortran/36683] " tkoenig at gcc dot gnu dot org ` (2 more replies) 0 siblings, 3 replies; 4+ messages in thread From: terry at chem dot gu dot se @ 2008-07-01 5:22 UTC (permalink / raw) To: gcc-bugs Unconformable array operations are not being picked up in the following: [tjf@rscpc28 Stoopid]$ cat badness.f90 program fred implicit none real,dimension(:,:),allocatable::A real,dimension(5)::v allocate(A(5,5)) A=5 v=5 A=A/spread(v,2,3) write(*,*)A(1,:) write(*,*)A(2,:) write(*,*)A(3,:) write(*,*)A(4,:) write(*,*)A(5,:) end [tjf@rscpc28 Stoopid]$ gfortran -Wall -O0 -W -Wtabs -g -fbounds-check -o badness badness.f90 [tjf@rscpc28 Stoopid]$ ./badness 1.00000000 1.00000000 1.00000000 5.0000000 5.0000000 1.00000000 1.00000000 1.00000000 5.0000000 5.0000000 1.00000000 1.00000000 1.00000000 5.0000000 5.0000000 1.00000000 1.00000000 1.00000000 5.0000000 5.0000000 1.00000000 1.00000000 1.00000000 5.0000000 5.0000000 [tjf@rscpc28 Stoopid]$ gfortran -v Using built-in specs. Target: i686-pc-linux-gnu Configured with: ../gcc-4.3-20080522/configure --disable-multilib --enable-languages=c,c++,fortran Thread model: posix gcc version 4.3.1 20080522 (prerelease) (GCC) Making the spread array too big [spread(v,2,13)] is not detected either. My quick attempts to do both in a single code caused glibc to freak out with "double free or corruption" detection. -- Summary: -fbounds-check failure for allocated array and spread Product: gcc Version: 4.3.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: terry at chem dot gu dot se GCC host triplet: i686-pc-linux-gnu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36683 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/36683] -fbounds-check failure for allocated array and spread 2008-07-01 5:22 [Bug fortran/36683] New: -fbounds-check failure for allocated array and spread terry at chem dot gu dot se @ 2008-07-01 19:22 ` tkoenig at gcc dot gnu dot org 2008-10-12 12:11 ` tkoenig at gcc dot gnu dot org 2009-04-29 14:20 ` dominiq at lps dot ens dot fr 2 siblings, 0 replies; 4+ messages in thread From: tkoenig at gcc dot gnu dot org @ 2008-07-01 19:22 UTC (permalink / raw) To: gcc-bugs -- tkoenig at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- OtherBugsDependingO| |34670 nThis| | Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2008-07-01 19:21:45 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36683 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/36683] -fbounds-check failure for allocated array and spread 2008-07-01 5:22 [Bug fortran/36683] New: -fbounds-check failure for allocated array and spread terry at chem dot gu dot se 2008-07-01 19:22 ` [Bug fortran/36683] " tkoenig at gcc dot gnu dot org @ 2008-10-12 12:11 ` tkoenig at gcc dot gnu dot org 2009-04-29 14:20 ` dominiq at lps dot ens dot fr 2 siblings, 0 replies; 4+ messages in thread From: tkoenig at gcc dot gnu dot org @ 2008-10-12 12:11 UTC (permalink / raw) To: gcc-bugs ------- Comment #1 from tkoenig at gcc dot gnu dot org 2008-10-12 12:09 ------- The front end obligingly fills out the descriptor for the libray with an extent of 3: atmp.5.dim[1].stride = 5; atmp.5.dim[1].lbound = 0; atmp.5.dim[1].ubound = 2; atmp.5.data = (void *) &A.6; atmp.5.offset = 0; _gfortran_spread (&atmp.5, &parm.4, &C.1545, &C.1546); It does so without checking conformance with the rest of the expression. -- tkoenig at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tkoenig at gcc dot gnu dot | |org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36683 ^ permalink raw reply [flat|nested] 4+ messages in thread
* [Bug fortran/36683] -fbounds-check failure for allocated array and spread 2008-07-01 5:22 [Bug fortran/36683] New: -fbounds-check failure for allocated array and spread terry at chem dot gu dot se 2008-07-01 19:22 ` [Bug fortran/36683] " tkoenig at gcc dot gnu dot org 2008-10-12 12:11 ` tkoenig at gcc dot gnu dot org @ 2009-04-29 14:20 ` dominiq at lps dot ens dot fr 2 siblings, 0 replies; 4+ messages in thread From: dominiq at lps dot ens dot fr @ 2009-04-29 14:20 UTC (permalink / raw) To: gcc-bugs ------- Comment #2 from dominiq at lps dot ens dot fr 2009-04-29 14:20 ------- pr39286 is a duplicate of this one. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36683 ^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2009-04-29 14:20 UTC | newest] Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2008-07-01 5:22 [Bug fortran/36683] New: -fbounds-check failure for allocated array and spread terry at chem dot gu dot se 2008-07-01 19:22 ` [Bug fortran/36683] " tkoenig at gcc dot gnu dot org 2008-10-12 12:11 ` tkoenig at gcc dot gnu dot org 2009-04-29 14:20 ` dominiq at lps dot ens dot fr
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