[Bug middle-end/67034] New: [6 Regression] FAIL: gcc.c-torture/compile/pr39928-1.c

["danglin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67034

            Bug ID: 67034
           Summary: [6 Regression] FAIL: gcc.c-torture/compile/pr39928-1.c
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: danglin at gcc dot gnu.org
                CC: aoliva at gcc dot gnu.org
  Target Milestone: ---
              Host: hppa2.0w-hp-hpux11.11
            Target: hppa2.0w-hp-hpux11.11
             Build: hppa2.0w-hp-hpux11.11

Executing on host: /test/gnu/gcc/objdir/gcc/xgcc -B/test/gnu/gcc/objdir/gcc/ 
-fno-diagnostics-show-caret -fdiagnostics-color=never    -O0  -w -c   -o
pr39928-1
.o /test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c   
(timeout
 = 300)
spawn /test/gnu/gcc/objdir/gcc/xgcc -B/test/gnu/gcc/objdir/gcc/
-fno-diagnostics-show-caret -fdiagnostics-color=never -O0 -w -c -o pr39928-1.o
/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c:
In function '
vq_nbest':/test/gnu/gcc/gcc/gcc/testsuite/gcc.c-torture/compile/pr39928-1.c:6:1:
internal compiler error: in emit_move_insn, at expr.c:3552
libbacktrace could not find executable to openPlease submit a full bug report,

This is with r226194.

  gcc_assert (mode != BLKmode
              && (GET_MODE (y) == mode || GET_MODE (y) == VOIDmode));

(gdb) bt
Python Exception <type 'exceptions.ImportError'> Failed to load
/home/gnu/lib/python2.7/lib-dynload/itertools.sl: 
#0  _Z14emit_move_insnP7rtx_defS0_ (x=0x7aebd1f0, y=0x7aebd450)
    at ../../gcc/gcc/expr.c:3552
#1  0x0092426c in
_ZL21assign_parm_setup_regP20assign_parm_data_allP9tree_nodeP20assign_parm_data_one
(all=0x7eff0c78, parm=0x7aeb4190, data=0x7eff0d60)
    at ../../gcc/gcc/function.c:3322
#2  0x00926c5c in _ZL12assign_parmsP9tree_node (fndecl=0x7aeb5080)
    at ../../gcc/gcc/function.c:3766
#3  0x0092e500 in _Z21expand_function_startP9tree_node (subr=0x7aeb5080)
    at ../../gcc/gcc/function.c:5192
#4  0x004bd08c in _ZN12_GLOBAL__N_111pass_expand7executeEP8function (
    this=0x404416d0, fun=0x7ae28068) at ../../gcc/gcc/cfgexpand.c:6105
#5  0x012969a4 in _Z16execute_one_passP8opt_pass (pass=0x404416d0)
    at ../../gcc/gcc/passes.c:2319
#6  0x01296df0 in _ZL19execute_pass_list_1P8opt_pass (pass=0x404416d0)
    at ../../gcc/gcc/passes.c:2372
#7  0x01296f14 in _Z17execute_pass_listP8functionP8opt_pass (fn=0x7ae28068, 
    pass=0x4043f240) at ../../gcc/gcc/passes.c:2383
#8  0x0056bd10 in _ZN11cgraph_node6expandEv (this=0x7aeb7000)
    at ../../gcc/gcc/cgraphunit.c:1920
#9  0x0056cf10 in _ZL15output_in_orderb (no_reorder=false)
    at ../../gcc/gcc/cgraphunit.c:2158
#10 0x0056dc5c in _ZN12symbol_table7compileEv (this=0x7ae28000)
    at ../../gcc/gcc/cgraphunit.c:2403
---Type <return> to continue, or q <return> to quit---
#11 0x0056e020 in _ZN12symbol_table25finalize_compilation_unitEv (
    this=0x7ae28000) at ../../gcc/gcc/cgraphunit.c:2496
#12 0x0150c9b0 in _ZL12compile_filev () at ../../gcc/gcc/toplev.c:569
#13 0x01511b9c in _ZL10do_compilev () at ../../gcc/gcc/toplev.c:2042
#14 0x0151224c in _ZN6toplev4mainEiPPc (this=0x7eff06c8, argc=15, 
    argv=0x7eff0554) at ../../gcc/gcc/toplev.c:2143
#15 0x01ec5650 in main (argc=15, argv=0x7eff0554) at ../../gcc/gcc/main.c:39
(gdb) p debug_rtx (x)
(mem/c:BLK (plus:SI (reg/f:SI 91 virtual-stack-vars)
        (const_int 8 [0x8])) [0 d+0 S16 A128])
$1 = 10
(gdb) p debug_rtx (y)
(mem/c:BLK (reg/v:SI 101) [0 d+0 S16 A128])
$2 = 10
(gdb) p mode
$3 = BLKmode