another testcase, now -O3 -g fails, might be a duplicate of PR41229:
> gfortran -c -O3 -g bug.f90
bug.f90: In function broyden_mixing_new:
bug.f90:14:0: error: expected an SSA_NAME object
bug.f90:14:0: error: in statement
# DEBUG istat => stat.0
bug.f90:14:0: internal compiler error: verify_ssa failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
> cat bug.f90
MODULE qs_scf_types
INTEGER, PARAMETER :: dp=KIND(0.0D0)
TYPE cp_1d_z_p_type
COMPLEX(dp), DIMENSION(:), POINTER :: cc
END TYPE cp_1d_z_p_type
TYPE mixing_storage_type
TYPE(cp_1d_z_p_type), DIMENSION(:,:), POINTER ::drho_buffer, rhoin_buffer,
&
res_buffer
END TYPE
END MODULE qs_scf_types
MODULE qs_gspace_mixing
USE qs_scf_types
CONTAINS
SUBROUTINE broyden_mixing_new(mixing_store, rho, para_env, error)
TYPE(mixing_storage_type), POINTER :: mixing_store
LOGICAL :: failure, skip_bq
TYPE(cp_1d_z_p_type), DIMENSION(:), &
POINTER :: tmp_z
ng = SIZE(mixing_store%rhoin_buffer(1,1)%cc)
DO ispin = 1,nspin
IF(ib==1) THEN
ELSE
IF(.NOT. skip_bq) THEN
DO jb = 1,ib-1
ALLOCATE(tmp_z(jb)%cc(ng),STAT=istat)
END DO
END IF
END IF ! ib
END DO ! ispin
END SUBROUTINE broyden_mixing_new
END MODULE qs_gspace_mixing
-v reports:
Target: x86_64-unknown-linux-gnu
Configured with: /data03/vondele/gcc_trunk/gcc/configure --disable-bootstrap
--prefix=/data03/vondele/gcc_trunk/build --enable-languages=c,c++,fortran
--disable-multilib --with-ppl=/data03/vondele/gcc_trunk/build/
--with-cloog=/data03/vondele/gcc_trunk/build/
Thread model: posix
gcc version 4.5.0 20090903 (experimental) [trunk revision 151367] (GCC)
COLLECT_GCC_OPTIONS='-c' '-O3' '-g' '-v' '-mtune=generic'
/data03/vondele/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/f951
bug.f90 -quiet -dumpbase bug.f90 -mtune=generic -auxbase bug -g -O3 -version
-fintrinsic-modules-path
/data03/vondele/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.5.0/finclude
-o /tmp/ccVCDl0y.s
--
Summary: [4.5 Regression] internal compiler error: verify_ssa
failed
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: debug
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=41259
