[Bug middle-end/14153] New: [tree-ssa] ICE in tree-ssa-operands.c:add_stmt_operand

["steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

GNU C version 3.5-tree-ssa 20040214 (merged 20040211) (i686-pc-linux-gnu) 
        compiled by GNU C version 3.5-tree-ssa 20040214 (merged 20040211). 
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096 
 
-------------------------- 
typedef union tree_node *tree; 
 
struct tree_exp 
{ 
  tree operands[1]; 
}; 
 
union tree_node 
{ 
  struct tree_exp exp; 
}; 
 
extern tree global_trees; 
 
typedef struct 
{ 
  tree *tp; 
} 
tree_stmt_iterator; 
 
static __inline__ _Bool 
tsi_end_p (tree_stmt_iterator i) 
{ 
  return (i.tp == ((void *) 0) || *(i.tp) == global_trees); 
} 
 
static __inline__ void 
tsi_next (tree_stmt_iterator * i) 
{ 
  tree t = *(i->tp); 
  i->tp = &t->exp.operands[1]; 
} 
 
extern int is_gimple_stmt (tree); 
extern void abort (); 
 
void 
dump_generic_node (tree node) 
{ 
  tree_stmt_iterator si; 
  if (is_gimple_stmt (node) == 0) 
    abort (); 
  si.tp = &node->exp.operands[1]; 
  while (1) 
    if (tsi_end_p (si)) 
      tsi_next (&si); 
} 
-------------------------- 
 
Starting program: /home/steven/devel/tree-ssa-build/gcc/cc1 -O test.c 
 tsi_end_p 
 tsi_next 
 dump_generic_node 
 
Program received signal SIGSEGV, Segmentation fault. 
0x080f92b7 in add_stmt_operand (var_p=0x4020e408, stmt=0x40210dec, flags=0, 
prev_vops=0xbfffe580) 
    at ../../tree-ssa/gcc/tree-ssa-operands.c:1132 
1132      STRIP_NOPS (var); 
(gdb) p var 
$1 = 0x0 
(gdb) bt 
#0  0x080f92b7 in add_stmt_operand (var_p=0x4020d408, stmt=0x40210dc8, 
flags=0, prev_vops=0xbfffe580) 
    at ../../tree-ssa/gcc/tree-ssa-operands.c:1132 
#1  0x080fa168 in get_expr_operands (stmt=0x40210dc8, expr_p=Variable "expr_p" 
is not available. 
) at ../../tree-ssa/gcc/tree-ssa-operands.c:944 
#2  0x080fae09 in get_stmt_operands (stmt=0x40210dc8) at ../../tree-ssa/gcc/
tree-ssa-operands.c:711 
#3  0x080ead8d in subst_phis (ei=0x4020de60, Z=0x40210da4, pred=0x4020e89c, 
bb=0x40211bc8) 
    at ../../tree-ssa/gcc/tree-ssa-pre.c:1291 
#4  0x080ed0bc in finalize_1 (ei=0x4020de60) at ../../tree-ssa/gcc/
tree-ssa-pre.c:2098 
#5  0x080efecb in pre_expression (slot=0x4020de60, data=Variable "data" is not 
available. 
) at ../../tree-ssa/gcc/tree-ssa-pre.c:3137 
#6  0x080f2517 in execute_pre () at ../../tree-ssa/gcc/tree-ssa-pre.c:3325 
#7  0x080c6709 in execute_pass_list (pass=0x84a7740) at ../../tree-ssa/gcc/
tree-optimize.c:400 
#8  0x080c677e in execute_pass_list (pass=0x84a74c0) at ../../tree-ssa/gcc/
tree-optimize.c:430 
#9  0x080c6a8a in tree_rest_of_compilation (fndecl=0x4020a0e8, nested_p=false) 
    at ../../tree-ssa/gcc/tree-optimize.c:520 
#10 0x08062396 in c_expand_body_1 (fndecl=0x4020a0e8, nested_p=0) at ../../
tree-ssa/gcc/c-decl.c:6205 
#11 0x0806257e in c_expand_body (fndecl=0x0) at ../../tree-ssa/gcc/
c-decl.c:6237 
#12 0x0838798d in cgraph_expand_function (node=0x4020a9f8) at ../../tree-ssa/
gcc/cgraphunit.c:787 
#13 0x08387b23 in cgraph_assemble_pending_functions () at ../../tree-ssa/gcc/
cgraphunit.c:287 
#14 0x0838815c in cgraph_finalize_function (decl=0x4020a0e8, nested=false) 
    at ../../tree-ssa/gcc/cgraphunit.c:368 
#15 0x080626bc in c_finalize (fndecl=0x4020a0e8) at ../../tree-ssa/gcc/
c-decl.c:6037 
#16 0x08062a78 in finish_function () at ../../tree-ssa/gcc/c-decl.c:6150 
#17 0x0804bd98 in yyparse () at c-parse.y:349 
#18 0x08051d0b in c_parse_file () at c-parse.y:2830 
#19 0x0809234f in c_common_parse_file (set_yydebug=1075893256) at ../../
tree-ssa/gcc/c-opts.c:1227 
#20 0x08338954 in toplev_main (argc=1075893256, argv=0xbffff274) at ../../
tree-ssa/gcc/toplev.c:1870 
#21 0x080a8f5e in main (argc=1075893256, argv=0x4020d408) at ../../tree-ssa/
gcc/main.c:35 
(gdb)

-- 
           Summary: [tree-ssa] ICE in tree-ssa-operands.c:add_stmt_operand
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: middle-end
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: steven at gcc dot gnu dot org
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14153