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From: "jv244 at cam dot ac dot uk" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/45172] New: [4.6 Regression] internal compiler error: verify_flow_info failed
Date: Tue, 03 Aug 2010 15:10:00 -0000 [thread overview]
Message-ID: <bug-45172-6642@http.gcc.gnu.org/bugzilla/> (raw)
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recent trunk (4.6.0 20100803 (experimental) [trunk revision 162839]) fails
with:
> gfortran -c -fopenmp -O1 -fexceptions bug.f90
bug.f90: In function ‘dbcsr_mult_m_e_e’:
bug.f90:1:0: error: verify_flow_info: Duplicate edge 28->29
bug.f90:1:0: internal compiler error: verify_flow_info failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
> cat bug.f90
SUBROUTINE dbcsr_mult_m_e_e ( )
LOGICAL, PARAMETER :: use_combined_types = .FALSE.
INTEGER, ALLOCATABLE, DIMENSION(:, :) :: right_index_sr
INTEGER, ALLOCATABLE, DIMENSION(:, :, :) :: my_sizes
INTEGER, ALLOCATABLE, DIMENSION(:, :, :, :) :: all_sizes
ALLOCATE (all_sizes(4, LBOUND(my_sizes,2):UBOUND(my_sizes,2), &
LBOUND(my_sizes,3):UBOUND(my_sizes,3), 0:numnodes-1))
IF (use_combined_types) THEN
CALL mp_waitall (right_index_sr)
ENDIF
DO ki = 0, min_nimages-1
!$omp parallel default (none) &
!$omp reduction (+: flop_single, t_all, t_dgemm)
!$omp end parallel
ENDDO
checksum = dbcsr_checksum (product_matrix, error)
END SUBROUTINE dbcsr_mult_m_e_e
older gcc (gcc-4_5-branch revision 162409) is fine.
--
Summary: [4.6 Regression] internal compiler error:
verify_flow_info failed
Product: gcc
Version: 4.6.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: middle-end
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: jv244 at cam dot ac dot uk
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45172
next reply other threads:[~2010-08-03 15:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-03 15:10 jv244 at cam dot ac dot uk [this message]
2010-08-03 15:27 ` [Bug middle-end/45172] " dominiq at lps dot ens dot fr
2010-08-03 15:48 ` rguenth at gcc dot gnu dot org
2010-08-03 15:49 ` rguenth at gcc dot gnu dot org
2010-08-19 13:56 ` jakub at gcc dot gnu dot org
2010-08-19 14:24 ` jv244 at cam dot ac dot uk
2010-09-02 11:14 ` rguenth at gcc dot gnu dot org
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