[Bug tree-optimization/19241] [4.0 Regression] ICE in make_decl_rtl with inliner
steven at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Wed Jan 12 11:45:00 GMT 2005
------- Additional Comments From steven at gcc dot gnu dot org 2005-01-12 11:45 -------
We choque on expanding this:
inline void Iterator::IsEnd () const
{
compare (this, static_cast<const Map*>(0)->end());
}
Which looks like this at -O:
compare (&D.2008, &D.2013)
(gdb)
#11 0x00000000007008d1 in expand_call (exp=0x2a959f6820, target=0x0, ignore=1)
at calls.c:2543
2543 precompute_register_parameters (num_actuals, args,
®_parm_seen);
(gdb) p debug_tree(args[0]->tree_value)
<addr_expr 0x2a959f4ec0
type <pointer_type 0x2a959e0340
type <record_type 0x2a959d79c0 Iterator addressable needs-constructing
type_1 type_5 BLK
size <integer_cst 0x2a95890690 constant invariant 8>
unit size <integer_cst 0x2a958906c0 constant invariant 1>
align 8 symtab 0 alias set -1 fields <type_decl 0x2a959e0000
Iterator>
needs-constructor X() X(constX&) this=(X&) n_parents=0
use_template=0 interface-unknown
pointer_to_this <pointer_type 0x2a959e0340> reference_to_this
<reference_type 0x2a959e5680> chain <type_decl 0x2a959d7b60 Iterator>>
public unsigned DI
size <integer_cst 0x2a95890c30 constant invariant 64>
unit size <integer_cst 0x2a95890c60 constant invariant 8>
align 64 symtab 0 alias set -1>
invariant
arg 0 <var_decl 0x2a959f7680 type <record_type 0x2a959d79c0 Iterator>
addressable used ignored BLK file t.C line 22 size <integer_cst
0x2a95890690 8> unit size <integer_cst 0x2a958906c0 1>
align 8 context <function_decl 0x2a959de410 end> abstract_origin
<var_decl 0x2a959e3000>
(mem/s:BLK (plus:DI (reg/f:DI 54 virtual-stack-vars)
(const_int -1 [0xffffffffffffffff])) [0 D.2013+0 S1 A8])>>
$18 = void
(gdb) p debug_tree(args[1]->tree_value)
<addr_expr 0x2a959f8d40
type <pointer_type 0x2a959e0340
type <record_type 0x2a959d79c0 Iterator addressable needs-constructing
type_1 type_5 BLK
size <integer_cst 0x2a95890690 constant invariant 8>
unit size <integer_cst 0x2a958906c0 constant invariant 1>
align 8 symtab 0 alias set -1 fields <type_decl 0x2a959e0000
Iterator>
needs-constructor X() X(constX&) this=(X&) n_parents=0
use_template=0 interface-unknown
pointer_to_this <pointer_type 0x2a959e0340> reference_to_this
<reference_type 0x2a959e5680> chain <type_decl 0x2a959d7b60 Iterator>>
public unsigned DI
size <integer_cst 0x2a95890c30 constant invariant 64>
unit size <integer_cst 0x2a95890c60 constant invariant 8>
align 64 symtab 0 alias set -1>
invariant
arg 0 <var_decl 0x2a959f7270 type <record_type 0x2a959d79c0 Iterator>
addressable used ignored BLK file t.C line 22 size <integer_cst
0x2a95890690 8> unit size <integer_cst 0x2a958906c0 1>
align 8 context <function_decl 0x2a959de410 end> abstract_origin
<var_decl 0x2a959e3000>>>
$19 = void
(gdb)
Note that the arg 1 does not have RTL yet. We eventually die expanding that
arg when we trigger an assert:
#1 0x0000000000a4eceb in make_decl_rtl (decl=0x2a959f7270) at varasm.c:868
868 abort ();
(gdb) p debug_tree(decl)
<var_decl 0x2a959f7270
type <record_type 0x2a959d79c0 Iterator addressable needs-constructing
type_1 type_5 BLK
size <integer_cst 0x2a95890690 constant invariant 8>
unit size <integer_cst 0x2a958906c0 constant invariant 1>
align 8 symtab 0 alias set -1
fields <type_decl 0x2a959e0000 Iterator type <record_type 0x2a959d79c0
Iterator>
nonlocal decl_4 VOID file t.C line 12
align 1 context <record_type 0x2a959d79c0 Iterator>
>
needs-constructor X() X(constX&) this=(X&) n_parents=0 use_template=0
interface-unknown
pointer_to_this <pointer_type 0x2a959e0340> reference_to_this
<reference_type 0x2a959e5680> chain <type_decl 0x2a959d7b60 Iterator>>
addressable used ignored BLK file t.C line 22 size <integer_cst
0x2a95890690 8> unit size <integer_cst 0x2a958906c0 1>
align 8 context <function_decl 0x2a959de410 end> abstract_origin <var_decl
0x2a959e3000>>
$31 = void
(gdb) l
863 || (TREE_CODE (decl) == VAR_DECL
864 && !TREE_STATIC (decl)
865 && !TREE_PUBLIC (decl)
866 && !DECL_EXTERNAL (decl)
867 && !DECL_REGISTER (decl)))
868 abort ();
869 /* And that we were not given a type or a label. */
870 else if (TREE_CODE (decl) == TYPE_DECL
871 || TREE_CODE (decl) == LABEL_DECL)
872 abort ();
(gdb) p debug_tree (decl)
<var_decl 0x2a959f7270
type <record_type 0x2a959d79c0 Iterator addressable needs-constructing
type_1 type_5 BLK
size <integer_cst 0x2a95890690 constant invariant 8>
unit size <integer_cst 0x2a958906c0 constant invariant 1>
align 8 symtab 0 alias set -1
fields <type_decl 0x2a959e0000 Iterator type <record_type 0x2a959d79c0
Iterator>
nonlocal decl_4 VOID file t.C line 12
align 1 context <record_type 0x2a959d79c0 Iterator>
>
needs-constructor X() X(constX&) this=(X&) n_parents=0 use_template=0
interface-unknown
pointer_to_this <pointer_type 0x2a959e0340> reference_to_this
<reference_type 0x2a959e5680> chain <type_decl 0x2a959d7b60 Iterator>>
addressable used ignored BLK file t.C line 22 size <integer_cst
0x2a95890690 8> unit size <integer_cst 0x2a958906c0 1>
align 8 context <function_decl 0x2a959de410 end> abstract_origin <var_decl
0x2a959e3000>>
$36 = void
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19241
More information about the Gcc-bugs
mailing list