http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56729
--- Comment #3 from David Edelsohn <dje at gcc dot gnu.org> 2013-03-26 18:29:16
UTC ---
The failure only occurs in 32 bit mode and would not have been seen by a
default bootstrap on powerpc64-linux that did not run the testsuite in 32 bit
mode.
$ ./xgcc -B./ -O1 -m32
/home/dje/src/gcc/gcc/testsuite/c-c++-common/torture/vshuf-v2di.c
In file included from
/home/dje/src/gcc/gcc/testsuite/c-c++-common/torture/vshuf-v2di.c:15:0:
/home/dje/src/gcc/gcc/testsuite/c-c++-common/torture/vshuf-main.inc: In
function ‘main’:
/home/dje/src/gcc/gcc/testsuite/c-c++-common/torture/vshuf-main.inc:26:1:
internal compiler error: in df_insn_delete, at df-scan.c:1162
}
^
0x1029cabb df_insn_delete(rtx_def*)
/home/dje/src/gcc/gcc/df-scan.c:1162
0x1030d4b7 remove_insn(rtx_def*)
/home/dje/src/gcc/gcc/emit-rtl.c:3972
0x102490b3 delete_insn(rtx_def*)
/home/dje/src/gcc/gcc/cfgrtl.c:167
0x10af3c33 resolve_simple_move
/home/dje/src/gcc/gcc/lower-subreg.c:1072
0x10af3a83 resolve_simple_move
/home/dje/src/gcc/gcc/lower-subreg.c:923
0x10af4ca7 decompose_multiword_subregs
/home/dje/src/gcc/gcc/lower-subreg.c:1563
0x10af57a3 rest_of_handle_lower_subreg2
/home/dje/src/gcc/gcc/lower-subreg.c:1682
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
