Description:
This test case derived from OpenMP test omp1/F2_2_9h.f90, involves nested
parallel loops. The gfortran compiler currently aborts with an internal
error for this code.
> gfortran -v
Using built-in specs.
Target: x86_64-suse-linux
Configured with: ../xt-gcc-4.2.0/configure --prefix=/opt/gcc/4.2.0/snos
--disable-nls --libdir=/opt/gcc/4.2.0/snos/lib --enable-languages=c,c++,fortran
--with-gxx-include-dir=/opt/gcc/4.2.0/snos/include/g++
--with-slibdir=/opt/gcc/4.2.0/snos/lib --with-system-zlib --enable-shared
--enable-__cxa_atexit x86_64-suse-linux
Thread model: posix
gcc version 4.2.0 20070514 (rpm:4)
> cat bug2830.f90
! Derived from OpenMP test omp1/F2_2_9h.f90
use omp_lib
implicit none
integer, parameter :: NT = 4
integer :: nThreads(NT)
integer :: i, tmp = 1, itmp = 0
!$ call omp_set_dynamic(.false.)
!$ call omp_set_num_threads(NT)
do i = 1, NT
nThreads(i) = 0
enddo
!$omp parallel private(itmp)
itmp = omp_get_thread_num() + 1
!$omp parallel firstprivate(tmp)
tmp = tmp + omp_get_thread_num() + 1
!$omp atomic
nThreads(itmp) = nThreads(itmp)+tmp
!$omp end parallel
!$omp end parallel
print *, nThreads
END
> ftn -fopenmp -c bug2830.f90
/opt/xt-pe/2.1/bin/snos64/ftn: INFO: linux target is being used
bug2830.f90: In function 'MAIN__':
bug2830.f90:16: internal compiler error: in lookup_decl_in_outer_ctx, at
omp-low.c:1508
Please submit a full bug report,
with preprocessed source if appropriate.
------
Note: ftn is an alias for:
/opt/gcc/4.2.0/bin/../snos/bin/gfortran -static -v
-I/opt/xt-mpt/2.1/mpich2-64/GP/include -I/opt/xt-mpt/2.1/mpich2-64/GP/include
-L/opt/xt-mpt/2.1/mpich2-64/GP/lib -I/opt/acml/3.6.1/gnu64/include
-I/opt/xt-libsci/10.1.0/gnu/snos64/include
-I/opt/xt-libsci/10.1.0/gnu/snos64/include/superlu
-I/opt/xt-mpt/2.1/sma/P/include -L/opt/acml/3.6.1/gnu64/lib
-L/opt/xt-libsci/10.1.0/gnu/snos64/lib -L/opt/xt-mpt/2.1/sma/P/lib -lmpichf90
-lsci -lacml -lsma -lmpichf90 -lmpich -lrt -D__CRAYXT_COMPUTE_LINUX_TARGET
-D__TARGET_LINUX__ -fno-second-underscore
-I/notbackedup/users/rsrel/rs64.DEV.070604.Mon/install/include
-I/opt/xt-catamount/2.1/catamount/linux/include -I/opt/xt-service/2.1/include
-L/notbackedup/users/rsrel/rs64.DEV.070604.Mon/install/lib/snos64
-L/opt/xt-pe/2.1/cnos/linux/64/lib -L/opt/xt-mpt/2.1/lib/snos64
-L/opt/xt-service/2.1/lib/snos64 -Wl,--start -lpct -lalpslli -lalpsutil
-lportals -lpthread -Wl,--end -lgfortranbegin -lgfortran -lm
--
Summary: ICE - gfortran in lookup_decl_in_outer_ctx, at omp-
low.c:1508
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: longb at cray dot com
GCC build triplet: x86_64-suse-linux
GCC host triplet: x86_64-suse-linux
GCC target triplet: x86_64-suse-linux
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32362
