When compiling the attached sources, I get
Using built-in specs.
COLLECT_GCC=gfortran
COLLECT_LTO_WRAPPER=/archive/ohl/tools64/libexec/gcc/x86_64-unknown-linux-gnu/4.5.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: /home/ohl/archive/gcc/svn/configure
--prefix=/archive/ohl/tools64/ --enable-languages=c,c++,fortran
Thread model: posix
gcc version 4.5.0 20100330 (experimental) (GCC)
ward.f90:79:0: internal compiler error: in gfc_traverse_expr, at
fortran/expr.c:3604
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
--
Summary: internal compiler error: in gfc_traverse_expr, at
fortran/expr.c:3604
Product: gcc
Version: 4.5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: ohl at physik dot uni-wuerzburg dot de
GCC build triplet: x86_64-unknown-linux-gnu
GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43591
