[Bug bootstrap/78705] ICE in ix86_test_dumping_memory_blockage

[kargl at gcc dot gnu.org]

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

--- Comment #1 from kargl at gcc dot gnu.org ---
(In reply to kargl from comment #0)
> 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.

This failure is on i686-*-freebsd.

/mnt/kargl/gcc/configure \
  --prefix=$HOME/work --with-isl=/usr/local \
  --enable-languages=c,c++,fortran --disable-nls