[Bug middle-end/37223] New: [4.4 regression] internal compiler error: in referenced_var_lookup, at tree-dfa.c:563

["jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>]

This nights trunk fails (gcc of Aug 19th was still fine) with:

gfortran -c -O3 -ffast-math -funroll-loops -ftree-vectorize -march=native
-ffree-form -D__GFORTRAN -D__FFTSG -g -v pw_spline_utils.F
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: /data/vondele/gcc_bench/gcc_trunk/gcc/configure
--prefix=/data/vondele/gcc_bench/gcc_trunk/build --enable-languages=c,fortran
Thread model: posix
gcc version 4.4.0 20080823 (experimental) (GCC)
COLLECT_GCC_OPTIONS='-c' '-O3' '-ffast-math' '-funroll-loops'
'-ftree-vectorize'  '-ffree-form' '-D__GFORTRAN' '-D__FFTSG' '-g' '-v'

/data/vondele/gcc_bench/gcc_trunk/build/libexec/gcc/x86_64-unknown-linux-gnu/4.4.0/f951
pw_spline_utils.F -cpp /tmp/ccfcaaIN.f90 -quiet -v -D__GFORTRAN -D__FFTSG
pw_spline_utils.F -march=core2 -mcx16 -msahf --param l1-cache-size=32 --param
l1-cache-line-size=64 --param l2-cache-size=4096 -mtune=core2 -ffast-math
-funroll-loops -ftree-vectorize -ffree-form -g -fworking-directory -O3
-march=core2 -mcx16 -msahf --param l1-cache-size=32 --param
l1-cache-line-size=64 --param l2-cache-size=4096 -mtune=core2 -quiet -dumpbase
pw_spline_utils.F -auxbase pw_spline_utils -g -O3 -version -ffast-math
-funroll-loops -ftree-vectorize -ffree-form -fintrinsic-modules-path
/data/vondele/gcc_bench/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/finclude
-o /tmp/cc2IAzfr.s
ignoring nonexistent directory
"/data/vondele/gcc_bench/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/../../../../x86_64-unknown-linux-gnu/include"
#include "..." search starts here:

/data/vondele/gcc_bench/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/finclude
 .
#include <...> search starts here:
 /usr/local/include
 /data/vondele/gcc_bench/gcc_trunk/build/include

/data/vondele/gcc_bench/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include

/data/vondele/gcc_bench/gcc_trunk/build/lib/gcc/x86_64-unknown-linux-gnu/4.4.0/include-fixed
 /usr/include
End of search list.
GNU Fortran (GCC) version 4.4.0 20080823 (experimental)
(x86_64-unknown-linux-gnu)
        compiled by GNU C version 4.4.0 20080823 (experimental), GMP version
4.2.2, MPFR version 2.3.1.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
pw_spline_utils.F: In function ?T.974?:
pw_spline_utils.F:1482: internal compiler error: in referenced_var_lookup, at
tree-dfa.c:563
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

testcase to be attached


-- 
           Summary: [4.4 regression] internal compiler error: in
                    referenced_var_lookup, at tree-dfa.c:563
           Product: gcc
           Version: 4.4.0
            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
OtherBugsDependingO 29975
             nThis:


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37223