[Bug bootstrap/78705] New: ICE in ix86_test_dumping_memory_blockage

[kargl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78705

            Bug ID: 78705
           Summary: ICE in ix86_test_dumping_memory_blockage
           Product: gcc
           Version: 7.0
            Status: UNCONFIRMED
          Severity: blocker
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: kargl at gcc dot gnu.org
  Target Milestone: ---

gmake[3]: Entering directory '/mnt/kargl/obj/gcc'
/mnt/kargl/obj/./gcc/xgcc -B/mnt/kargl/obj/./gcc/ -nostdinc -x c /dev/null -S
-fself-test -o /dev/null
/mnt/kargl/gcc/gcc/config/i386/i386.c:51198: ix86_test_dumping_memory_blockage:
FAIL: ASSERT_STREQ (expected_dump, dump) expected="(cinsn 1 (set (mem/v:BLK
(0|scratch:DI) [0  A8])
        (unspec:BLK [
                (mem/v:BLK (reuse_rtx 0) [0  A8])
            ] UNSPEC_MEMORY_BLOCKAGE)))
" actual="(cinsn 1 (set (mem/v:BLK (0|scratch:SI) [0  A8])
        (unspec:BLK [
                (mem/v:BLK (reuse_rtx 0) [0  A8])
            ] UNSPEC_MEMORY_BLOCKAGE)))
"
cc1: internal compiler error: in fail_formatted, at selftest.c:62
no stack trace because unwind library not available
Please submit a full bug report,
with preprocessed source if appropriate.