https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94780
Bug ID: 94780
Summary: [9/10] internal compiler error: Segmentation fault
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: anbu1024.me at gmail dot com
Target Milestone: ---
$ cat reduced.c
_Atomic double x ;
void foo ( void )
{
x = 1 ;
for ( int i = 0 ; i < 10000 ; i ++ )
{
double y = x /= 3 ;
unsigned int bar (int s) { return s;}
}
}
--------------------------------------------------------------------------------
$ gcc-10 --version
gcc (GCC) 10.0.1 20200419 (experimental)
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--------------------------------------------------------------------------------
$ gcc-10 reduced.c
reduced.c: In function ‘foo’:
reduced.c:5:6: internal compiler error: Segmentation fault
5 | void foo ( void )
| ^~~
0xdab3ef crash_signal
../../gcc-10-20200419/gcc/toplev.c:328
0x7f6b59 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc-10-20200419/gcc/tree.h:3400
0xe4eb96 convert_nonlocal_reference_op
../../gcc-10-20200419/gcc/tree-nested.c:1065
0x1069c5a walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
../../gcc-10-20200419/gcc/tree.c:11996
0xae7c94 walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:268
0xae7d6c walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:596
0xae7f00 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:51
0xae7df1 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:686
0xae7f00 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:51
0xae7df1 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:686
0xae7f00 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:51
0xae7df1 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:686
0xae7f00 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-10-20200419/gcc/gimple-walk.c:51
0xe4a324 walk_body
../../gcc-10-20200419/gcc/tree-nested.c:713
0xe4a324 walk_function
../../gcc-10-20200419/gcc/tree-nested.c:724
0xe4a324 walk_all_functions
../../gcc-10-20200419/gcc/tree-nested.c:789
0xe50788 lower_nested_functions(tree_node*)
../../gcc-10-20200419/gcc/tree-nested.c:3551
0x96060c cgraph_node::analyze()
../../gcc-10-20200419/gcc/cgraphunit.c:676
0x9633f7 analyze_functions
../../gcc-10-20200419/gcc/cgraphunit.c:1227
0x963fc2 symbol_table::finalize_compilation_unit()
../../gcc-10-20200419/gcc/cgraphunit.c:2974
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
--------------------------------------------------------------------------------
$ gcc-9 --version
gcc (GCC) 9.2.1 20191102
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
--------------------------------------------------------------------------------
$ gcc-9 reduced.c
reduced.c: In function ‘foo’:
reduced.c:5:6: internal compiler error: Segmentation fault
5 | void foo ( void )
| ^~~
0xa8c66f crash_signal
../../gcc-9-20191102/gcc/toplev.c:326
0xb13183 convert_nonlocal_reference_op
../../gcc-9-20191102/gcc/tree-nested.c:1055
0xcdd363 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*,
tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*))
../../gcc-9-20191102/gcc/tree.c:12225
0x85e382 walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:268
0x85e6f1 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:586
0x85e830 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:51
0x85e771 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:675
0x85e830 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:51
0x85e771 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:675
0x85e830 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:51
0x85e771 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:675
0x85e830 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-9-20191102/gcc/gimple-walk.c:51
0xb10c78 walk_body
../../gcc-9-20191102/gcc/tree-nested.c:703
0xb11460 walk_function
../../gcc-9-20191102/gcc/tree-nested.c:714
0xb11460 walk_all_functions
../../gcc-9-20191102/gcc/tree-nested.c:779
0xb1438c lower_nested_functions(tree_node*)
../../gcc-9-20191102/gcc/tree-nested.c:3507
0x71f7ac cgraph_node::analyze()
../../gcc-9-20191102/gcc/cgraphunit.c:673
0x721de7 analyze_functions
../../gcc-9-20191102/gcc/cgraphunit.c:1126
0x7229d2 symbol_table::finalize_compilation_unit()
../../gcc-9-20191102/gcc/cgraphunit.c:2837
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
--------------------------------------------------------------------------------
$ gcc-7.4.0 reduced.c
reduced.c: In function ‘foo’:
reduced.c:5:6: internal compiler error: Segmentation fault
void foo ( void )
^~~
0xa1300f crash_signal
../../gcc-7.4.0/gcc/toplev.c:337
0xa8880a get_frame_type
../../gcc-7.4.0/gcc/tree-nested.c:211
0xa8880a get_chain_decl
../../gcc-7.4.0/gcc/tree-nested.c:317
0xa8a3a7 get_chain_decl
../../gcc-7.4.0/gcc/tree-nested.c:913
0xa8a3a7 get_nonlocal_debug_decl
../../gcc-7.4.0/gcc/tree-nested.c:917
0xa8a4b0 convert_nonlocal_reference_op
../../gcc-7.4.0/gcc/tree-nested.c:996
0xc321e5 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*),
void*, hash_set<tree_node*, default_hash_traits<tree_node*> >*, tree_node*
(*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*,
hash_set<tree_node*, default_hash_traits<tree_node*> >*))
../../gcc-7.4.0/gcc/tree.c:11834
0x802fb6 walk_gimple_op(gimple*, tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:268
0x803078 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:586
0x803220 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:51
0x803121 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:595
0x803220 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:51
0x803121 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:595
0x803220 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:51
0x803121 walk_gimple_stmt(gimple_stmt_iterator*, tree_node*
(*)(gimple_stmt_iterator*, bool*, walk_stmt_info*), tree_node* (*)(tree_node**,
int*, void*), walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:595
0x803220 walk_gimple_seq_mod(gimple**, tree_node* (*)(gimple_stmt_iterator*,
bool*, walk_stmt_info*), tree_node* (*)(tree_node**, int*, void*),
walk_stmt_info*)
../../gcc-7.4.0/gcc/gimple-walk.c:51
0xa88238 walk_body
../../gcc-7.4.0/gcc/tree-nested.c:660
0xa884d8 walk_function
../../gcc-7.4.0/gcc/tree-nested.c:671
0xa884d8 walk_all_functions
../../gcc-7.4.0/gcc/tree-nested.c:736
0xa8ccbb lower_nested_functions(tree_node*)
../../gcc-7.4.0/gcc/tree-nested.c:3345
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
--------------------------------------------------------------------------------
$ gcc-7.4.0 --version
gcc (GCC) 7.4.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
