[Bug c/37198] New: r139225 causes 435.gromacs compiled error under -O3 -ffast-math

[weiliang dot lin at intel dot com]

Revision: trunk r139225 
Platform: RHEL5 X86_64
Bechmark: 435.gromacs 
Options: -O3 -ffast-math 

Error info as follows:
gcc -c -o coupling.o -DSPEC_CPU -DNDEBUG  -I. -DHAVE_CONFIG_H  -O3 -ffast-math 
     -DSPEC_CPU_LP64         coupling.c

coupling.c: In function 'calc_pres':
coupling.c:19: internal compiler error: in vinfo_for_stmt, at
tree-vectorizer.h:546
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

a small case coupling.c is attached.


-- 
           Summary: r139225 causes 435.gromacs compiled error under -O3 -
                    ffast-math
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: weiliang dot lin at intel dot com


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37198