[Bug bootstrap/55511] New: r193802 caused s390x bootstrap failure

[krebbel at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55511

             Bug #: 55511
           Summary: r193802 caused s390x bootstrap failure
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: major
          Priority: P3
         Component: bootstrap
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: kreb...@gcc.gnu.org


Created attachment 28817
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=28817
Reduced testcase

cc1 t.c -quiet -g -O1

t.c: In function ‘__parityti2’:
t.c:23:1: internal compiler error: in vt_expand_var_loc_chain, at
var-tracking.c:8020
 }
 ^
0x80baa299 vt_expand_var_loc_chain
    /build/gcc-head/gcc/var-tracking.c:8020
0x80baafa5 vt_expand_loc_callback
    /build/gcc-head/gcc/var-tracking.c:8216
0x803166e9 cselib_expand_value_rtx_1
    /build/gcc-head/gcc/cselib.c:1683
0x803168ad cselib_expand_value_rtx_1
    /build/gcc-head/gcc/cselib.c:1721
0x803160f9 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head_def*, int, rtx_def*
(*)(rtx_def*, bitmap_head_def*, int, void*), void*)
    /build/gcc-head/gcc/cselib.c:1530
0x80baa41b vt_expand_var_loc_chain
    /build/gcc-head/gcc/var-tracking.c:8054
0x80baafa5 vt_expand_loc_callback
    /build/gcc-head/gcc/var-tracking.c:8216
0x803166e9 cselib_expand_value_rtx_1
    /build/gcc-head/gcc/cselib.c:1683
0x803168ad cselib_expand_value_rtx_1
    /build/gcc-head/gcc/cselib.c:1721
0x803160f9 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head_def*, int, rtx_def*
(*)(rtx_def*, bitmap_head_def*, int, void*), void*)
    /build/gcc-head/gcc/cselib.c:1530
0x80baa41b vt_expand_var_loc_chain
    /build/gcc-head/gcc/var-tracking.c:8054
0x80baafa5 vt_expand_loc_callback
    /build/gcc-head/gcc/var-tracking.c:8216
0x803166e9 cselib_expand_value_rtx_1
    /build/gcc-head/gcc/cselib.c:1683
0x803160f9 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head_def*, int, rtx_def*
(*)(rtx_def*, bitmap_head_def*, int, void*), void*)
    /build/gcc-head/gcc/cselib.c:1530
0x80baa41b vt_expand_var_loc_chain
    /build/gcc-head/gcc/var-tracking.c:8054
0x80bab6fd vt_expand_1pvar
    /build/gcc-head/gcc/var-tracking.c:8331
0x80baba47 emit_note_insn_var_location
    /build/gcc-head/gcc/var-tracking.c:8385
0x80f288a3 htab_traverse_noresize
    /build/gcc-head/libiberty/hashtab.c:784
0x80f2897f htab_traverse
    /build/gcc-head/libiberty/hashtab.c:800
0x80bad69b emit_notes_for_changes
    /build/gcc-head/gcc/var-tracking.c:8749
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.