* [Bug middle-end/12139] ICE in pretty-printer when dumping trees
2003-09-02 21:23 [Bug c++/12139] New: ICE in pretty-printer when dumping trees jbuck at gcc dot gnu dot org
2003-09-02 21:24 ` [Bug c++/12139] " jbuck at gcc dot gnu dot org
2003-09-02 21:36 ` [Bug middle-end/12139] " pinskia at gcc dot gnu dot org
@ 2003-09-02 22:49 ` dnovillo at redhat dot com
2003-09-06 17:53 ` gdr at gcc dot gnu dot org
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: dnovillo at redhat dot com @ 2003-09-02 22:49 UTC (permalink / raw)
To: gcc-bugs
PLEASE REPLY TO gcc-bugzilla@gcc.gnu.org ONLY, *NOT* gcc-bugs@gcc.gnu.org.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12139
------- Additional Comments From dnovillo at redhat dot com 2003-09-02 22:49 -------
Subject: Re: New: ICE in pretty-printer when dumping trees
On Tue, 2003-09-02 at 17:23, jbuck at gcc dot gnu dot org wrote:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12139
>
> /gcc -S -fdump-tree-all tg.C
>
> with the attached file gives
>
> tg.C: In function `string fred(bool)':
> tg.C:13: internal compiler error: Segmentation fault
> Please submit a full bug report...
>
> The crash is in c-pretty-print.c
>
This is the backtrace and a raw dump of the tree node that causes the
SEGV. I don't know how to reproduce this in mainline, though.
$ gdb --args ../cc1plus -O2 -fdump-tree-all jbuck.C
GNU gdb Red Hat Linux (5.3.90-0.20030710.3rh)
Copyright 2003 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "i386-redhat-linux-gnu"...
(gdb) run
Starting program: /notnfs/dnovillo/BLD-tree-ssa-native.tobiano/gcc/cc1plus -O2 -fdump-tree-all jbuck.C
string fred(bool)
Program received signal SIGSEGV, Segmentation fault.
0x08170eaa in pp_c_primary_expression (ppi=0x85ba400, e=0x0) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:878
878 e = DECL_NAME (e);
(gdb) bt
#0 0x08170eaa in pp_c_primary_expression (ppi=0x85ba400, e=0x0) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:878
#1 0x081710ed in pp_c_primary_expression (ppi=0x85ba400, e=0x55257fc8) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:903
#2 0x08173c98 in pp_c_statement (ppi=0x85ba400, stmt=0x55223560) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:1825
#3 0x08174a9c in pp_c_statement (ppi=0x85ba400, stmt=0x5527eea8) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:1690
#4 0x08174a9c in pp_c_statement (ppi=0x85ba400, stmt=0x5527e8f8) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:1690
#5 0x08175ce5 in print_c_tree (file=0x91d72c0, t=0x5527e8a4) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:1956
#6 0x0817c2cd in c_genericize (fndecl=0x55283150) at /home/dnovillo/tree-ssa/src/gcc/c-simplify.c:152
#7 0x080831a8 in finish_function (flags=0) at /home/dnovillo/tree-ssa/src/gcc/cp/decl.c:14143
#8 0x080f9512 in cp_parser_function_definition_after_declarator (parser=0x55000840, inline_p=false) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:13503
#9 0x080f9492 in cp_parser_function_definition_from_specifiers_and_declarator (parser=0x55000840, decl_specifiers=0x22, attributes=0x22, declarator=0x22)
at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:13445
#10 0x080f411b in cp_parser_init_declarator (parser=0x55000840, decl_specifiers=0x5527e754, prefix_attributes=0x0, function_definition_allowed_p=true, member_p=false,
declares_class_or_enum=34, function_definition_p=0xfef37813) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:9283
#11 0x080f0f90 in cp_parser_simple_declaration (parser=0x55000840, function_definition_allowed_p=true) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:6131
#12 0x080f0e24 in cp_parser_block_declaration (parser=0x55000840, statement_p=false) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:6047
#13 0x080f0cdc in cp_parser_declaration (parser=0x55000840) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:5967
#14 0x080f0bac in cp_parser_declaration_seq_opt (parser=0x55000840) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:5876
#15 0x080ed2e2 in cp_parser_translation_unit (parser=0x55000840) at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:2160
#16 0x080fa881 in c_parse_file () at /home/dnovillo/tree-ssa/src/gcc/cp/parser.c:14388
#17 0x0817848b in c_common_parse_file (set_yydebug=34) at /home/dnovillo/tree-ssa/src/gcc/c-opts.c:1201
#18 0x084114ab in compile_file () at /home/dnovillo/tree-ssa/src/gcc/toplev.c:1774
#19 0x08415d6a in do_compile () at /home/dnovillo/tree-ssa/src/gcc/toplev.c:4468
#20 0x08415e7d in toplev_main (argc=34, argv=0xfef37a14) at /home/dnovillo/tree-ssa/src/gcc/toplev.c:4508
#21 0x0818572b in main (argc=34, argv=0x22) at /home/dnovillo/tree-ssa/src/gcc/main.c:35
(gdb) up
#1 0x081710ed in pp_c_primary_expression (ppi=0x85ba400, e=0x55257fc8) at /home/dnovillo/tree-ssa/src/gcc/c-pretty-print.c:903
903 pp_primary_expression (ppi, TREE_OPERAND (e, 0));
(gdb) pt e
<target_expr 0x55257fc8
type <record_type 0x55281620 string addressable needs-constructing type_1 type_2 type_4 type_5 BLK
size <integer_cst 0x552211dc constant 8>
unit size <integer_cst 0x55221038 constant 1>
align 8 symtab 0 alias set -1
fields <type_decl 0x55281850 string type <record_type 0x55281620 string>
nonlocal decl_4 VOID file jbuck.C line 2
align 1 context <record_type 0x55281620 string>
jbuck.C:2>
needs-constructor needs-destructor ~X() X() X(constX&) this=(X&) n_parents 0 use_template=0 interface-unknown
member-functions <tree_vec 0x550008c0
elt 0 <overload 0x5527e2d8>
elt 1 <function_decl 0x55282150 string>
elt 2 <function_decl 0x55281f50 operator=>
elt 3 <overload 0x5527e594>
elt 4 <overload 0x5527e55c>
elt 5 <function_decl 0x55282770 __comp_dtor>
elt 6 <function_decl 0x55282930 __base_dtor>>
pointer_to_this <pointer_type 0x55281700> chain <type_decl 0x55281770 string>>
side-effects addressable
arg 0 <var_decl 0x55283620 type <record_type 0x55281620 string>
addressable BLK file jbuck.C line 15 size <integer_cst 0x552211dc 8> unit size <integer_cst 0x55221038 1>
align 8 context <function_decl 0x55283150 fred>
jbuck.C:15>
arg 1 <cond_expr 0x55257f78 type <record_type 0x55281620 string>
side-effects
arg 0 <parm_decl 0x55283070 v type <boolean_type 0x5521e540 bool>
unsigned used QI file jbuck.C line 14
size <integer_cst 0x5521347c constant 8>
unit size <integer_cst 0x55213498 constant 1>
align 8 context <function_decl 0x55283150 fred> initial <integer_type 0x5521e2a0 int> arg-type <integer_type 0x5521e2a0 int>
jbuck.C:14>
arg 1 <target_expr 0x55257eb0 type <record_type 0x55281620 string>
side-effects arg 0 <var_decl 0x55283460>
arg 1 <aggr_init_expr 0x55257e60 type <record_type 0x55281620 string>
side-effects
arg 0 <addr_expr 0x5527e968 type <pointer_type 0x552833f0>
constant arg 0 <function_decl 0x55282cb0 foo>> arg 2 <var_decl 0x55283460>>
arg 2 <call_expr 0x55223480 type <void_type 0x55220f50 void>
side-effects
arg 0 <addr_expr 0x5527ea9c type <pointer_type 0x55283540>
constant arg 0 <function_decl 0x55282770 __comp_dtor>>
arg 1 <tree_list 0x5527ea64
value <nop_expr 0x5527ea48 type <pointer_type 0x55281700>
arg 0 <nop_expr 0x5527ea2c type <pointer_type 0x55281700>
arg 0 <addr_expr 0x5527e9bc>>>>>>
arg 2 <target_expr 0x55257f50 type <record_type 0x55281620 string>
side-effects arg 0 <var_decl 0x552835b0>
arg 1 <aggr_init_expr 0x55257f00 type <record_type 0x55281620 string>
side-effects
arg 0 <addr_expr 0x5527ead4 type <pointer_type 0x552833f0>
constant arg 0 <function_decl 0x55282e70 bar>> arg 2 <var_decl 0x552835b0>>
arg 2 <call_expr 0x552234e0 type <void_type 0x55220f50 void>
side-effects
arg 0 <addr_expr 0x5527ebec type <pointer_type 0x55283540>
constant arg 0 <function_decl 0x55282770 __comp_dtor>>
arg 1 <tree_list 0x5527ebd0
value <nop_expr 0x5527ebb4 type <pointer_type 0x55281700>
arg 0 <nop_expr 0x5527eb98 type <pointer_type 0x55281700>
arg 0 <addr_expr 0x5527eb28>>>>>>>
arg 2 <call_expr 0x55223520
type <void_type 0x55220f50 void VOID
align 8 symtab 0 alias set -1
pointer_to_this <pointer_type 0x55222000>>
side-effects
arg 0 <addr_expr 0x5527ed3c type <pointer_type 0x55283540>
constant arg 0 <function_decl 0x55282770 __comp_dtor>>
arg 1 <tree_list 0x5527ed20
value <nop_expr 0x5527ed04 type <pointer_type 0x55281700>
arg 0 <nop_expr 0x5527ece8 type <pointer_type 0x55281700>
arg 0 <addr_expr 0x5527ec78 type <pointer_type 0x55281700>
arg 0 <var_decl 0x55283620>>>>>>>
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