[Bug target/79904] New: ICE in annotate_constant_pool_refs, at config/s390/s390.c:7909

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79904

            Bug ID: 79904
           Summary: ICE in annotate_constant_pool_refs, at
                    config/s390/s390.c:7909
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
                CC: mpolacek at gcc dot gnu.org
  Target Milestone: ---
            Target: s390x-linux-gnu

We ICE on following target (with cross-compiler):

$ s390x-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr59261.c
-fsanitize=undefined
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr59261.c: In function ‘foo’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr59261.c:11:1: internal
compiler error: in annotate_constant_pool_refs, at config/s390/s390.c:7909
 }
 ^
0xe74d05 annotate_constant_pool_refs
        .././../gcc/config/s390/s390.c:7908
0xe74cdb annotate_constant_pool_refs
        .././../gcc/config/s390/s390.c:7992
0xe74cdb annotate_constant_pool_refs
        .././../gcc/config/s390/s390.c:7992
0xe74cdb annotate_constant_pool_refs
        .././../gcc/config/s390/s390.c:7992
0xe8ab19 execute
        .././../gcc/config/s390/s390.c:10819