[Bug tree-optimization/63836] New: [5 Regression] r217349 caused segfault building 178.galgel from cpu2000

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63836

            Bug ID: 63836
           Summary: [5 Regression] r217349 caused segfault building
                    178.galgel from cpu2000
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: tree-optimization
          Assignee: unassigned at gcc dot gnu.org
          Reporter: hjl.tools at gmail dot com
                CC: rguenther at suse dot de

On Linux/x86, r217349 caused:

gfortran -c -o lapak.o  -ffixed-form  -ffixed-line-length-132
-DSPEC_CPU2000_LP64         -O3 -funroll-loops -ffast-math   lapak.f90
...
lapak.f90:10714:0: internal compiler error: verify_gimple failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
specmake: *** [lapak.o] Error 1