http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60381

            Bug ID: 60381
           Summary: [4.9 Regression] ICE: in vt_expand_var_loc_chain, at
                    var-tracking.c:8245
           Product: gcc
           Version: 4.9.0
            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
              Host: hppa-unknown-linux-gnu
            Target: hppa-unknown-linux-gnu
             Build: hppa-unknown-linux-gnu

Created attachment 32241
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32241&action=edit
Preprocessed source

/home/dave/gnu/gcc/objdir/./gcc/xgcc -B/home/dave/gnu/gcc/objdir/./gcc/
-B/home/
dave/opt/gnu/gcc/gcc-4.9/hppa-linux-gnu/bin/
-B/home/dave/opt/gnu/gcc/gcc-4.9/hppa-linux-gnu/lib/ -isystem
/home/dave/opt/gnu/gcc/gcc-4.9/hppa-linux-gnu/include -isystem
/home/dave/opt/gnu/gcc/gcc-4.9/hppa-linux-gnu/sys-include    -g -O2 -O
2  -g -O2 -DIN_GCC    -W -Wall -Wwrite-strings -Wcast-qual -Wno-format
-Wstrict-
prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  
-fPIC -DELF=1 -DLINUX=1 -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector 
 -fPIC -DELF=1 -DLINUX=1 -I. -I. -I../.././gcc -I../../../gcc/libgcc
-I../../../gcc
/libgcc/. -I../../../gcc/libgcc/../gcc -I../../../gcc/libgcc/../include 
-DHAVE_
CC_TLS  -o _divdc3.o -MT _divdc3.o -MD -MP -MF _divdc3.dep -DL_divdc3 -c
../../.
./gcc/libgcc/libgcc2.c -fvisibility=hidden -DHIDE_EXPORTS
../../../gcc/libgcc/libgcc2.c: In function ‘__muldc3’:
../../../gcc/libgcc/libgcc2.c:2001:1: internal compiler error: in
vt_expand_var_
loc_chain, at var-tracking.c:8245
 }
0xd07623 vt_expand_var_loc_chain
        ../../gcc/gcc/var-tracking.c:8245
0xd0823b vt_expand_loc_callback
        ../../gcc/gcc/var-tracking.c:8441
0x3caa57 cselib_expand_value_rtx_1
        ../../gcc/gcc/cselib.c:1692
0x3cacdb cselib_expand_value_rtx_1
        ../../gcc/gcc/cselib.c:1730
0x3ca46f cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        ../../gcc/gcc/cselib.c:1539
0xd0775f vt_expand_var_loc_chain
        ../../gcc/gcc/var-tracking.c:8279
0xd0823b vt_expand_loc_callback
        ../../gcc/gcc/var-tracking.c:8441
0x3caa57 cselib_expand_value_rtx_1
        ../../gcc/gcc/cselib.c:1692
0x3cacdb cselib_expand_value_rtx_1
        ../../gcc/gcc/cselib.c:1730
0x3ca46f cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        ../../gcc/gcc/cselib.c:1539
0xd0775f vt_expand_var_loc_chain
        ../../gcc/gcc/var-tracking.c:8279
0xd0823b vt_expand_loc_callback
        ../../gcc/gcc/var-tracking.c:8441
0x3caa57 cselib_expand_value_rtx_1
        ../../gcc/gcc/cselib.c:1692
0x3ca46f cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        ../../gcc/gcc/cselib.c:1539
0xd0775f vt_expand_var_loc_chain
        ../../gcc/gcc/var-tracking.c:8279
0xd0880b vt_expand_1pvar
        ../../gcc/gcc/var-tracking.c:8554
0xd08b0f emit_note_insn_var_location(variable_def**, emit_note_data_def*)
        ../../gcc/gcc/var-tracking.c:8608
0xd116df void hash_table<variable_hasher,
xcallocator>::traverse_noresize<emit_note_data_def*,
&(emit_note_insn_var_location(variable_def**,
emit_note_data_def*))>(emit_note_data_def*)
        ../../gcc/gcc/hash-table.h:928
0xd105e7 void hash_table<variable_hasher,
xcallocator>::traverse<emit_note_data_def*,
&(emit_note_insn_var_location(variable_def**,
emit_note_data_def*))>(emit_note_data_def*)
        ../../gcc/gcc/hash-table.h:950
0xd0a46f emit_notes_for_changes
        ../../gcc/gcc/var-tracking.c:8970
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.
make[3]: *** [_muldc3.o] Error 1

Introduced in revision 208220.

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