[Bug libgomp/64734] New: ICE at omp lowering

[u17263 at att dot net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64734

            Bug ID: 64734
           Summary: ICE at omp lowering
           Product: gcc
           Version: 5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libgomp
          Assignee: unassigned at gcc dot gnu.org
          Reporter: u17263 at att dot net
                CC: jakub at gcc dot gnu.org

Created attachment 34533
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34533&action=edit
test case

gcc version: 5.0.0 / svn : r220005

gcc -Wall -fopenmp -o bug-5 bug-5.c
bug-5.c: In function ‘main’:
bug-5.c:5:10: warning: unused variable ‘tid’ [-Wunused-variable]
   int x, tid[32];
          ^
bug-5.c:5:7: warning: unused variable ‘x’ [-Wunused-variable]
   int x, tid[32];
       ^
bug-5.c:7:9: internal compiler error: Segmentation fault
 #pragma omp target data map (to:tid[0:32]) map (to:x)
         ^
0xac672f crash_signal
        /home/mentor/gomp/trunk/gcc/toplev.c:381
0x9b676b build_sender_ref
        /home/mentor/gomp/trunk/gcc/omp-low.c:1220
0x9e533c lower_omp_target
        /home/mentor/gomp/trunk/gcc/omp-low.c:11406
0x9dc271 lower_omp_1
        /home/mentor/gomp/trunk/gcc/omp-low.c:11765
0x9dc271 lower_omp
        /home/mentor/gomp/trunk/gcc/omp-low.c:11853
0x9dc0dd lower_omp_1
        /home/mentor/gomp/trunk/gcc/omp-low.c:11697
0x9dc0dd lower_omp
        /home/mentor/gomp/trunk/gcc/omp-low.c:11853
0x9dcdcd lower_omp_1
        /home/mentor/gomp/trunk/gcc/omp-low.c:11706
0x9dcdcd lower_omp
        /home/mentor/gomp/trunk/gcc/omp-low.c:11853
0x9dcdcd lower_omp_1
        /home/mentor/gomp/trunk/gcc/omp-low.c:11706
0x9dcdcd lower_omp
        /home/mentor/gomp/trunk/gcc/omp-low.c:11853
0x9ded9c execute_lower_omp
        /home/mentor/gomp/trunk/gcc/omp-low.c:11891
0x9ded9c execute
        /home/mentor/gomp/trunk/gcc/omp-low.c:11928