https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98195
Bug ID: 98195
Summary: [11 Regression] internal compiler error: Segmentation
fault
Product: gcc
Version: 11.0
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 test.c
static _Atomic long double x ;
void foo ( void ) {
int a , b , c ;
x += foo ( x , a , b , c ) ;
}
--------------------------------------------------------------------------------
$ gcc-11 --version
gcc (GCC) 11.0.0 20201129 (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-11 test.c
test.c: In function ‘foo’:
test.c:8:14: error: too many arguments to function ‘foo’
8 | x += foo ( x , a , b , c ) ;
| ^~~
test.c:4:6: note: declared here
4 | void foo ( void ) {
| ^~~
test.c:8:9: error: void value not ignored as it ought to be
8 | x += foo ( x , a , b , c ) ;
| ^
test.c:8:11: internal compiler error: Segmentation fault
8 | x += foo ( x , a , b , c ) ;
| ^~
0xdeeb4f crash_signal
../../gcc-11-20201129/gcc/toplev.c:330
0xb5c982 gimplify_target_expr
../../gcc-11-20201129/gcc/gimplify.c:6757
0xb51e2e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc-11-20201129/gcc/gimplify.c:14406
0xb55396 gimplify_stmt(tree_node**, gimple**)
../../gcc-11-20201129/gcc/gimplify.c:6862
0xb52f0b gimplify_statement_list
../../gcc-11-20201129/gcc/gimplify.c:1869
0xb52f0b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc-11-20201129/gcc/gimplify.c:14454
0xb67dd7 gimplify_stmt(tree_node**, gimple**)
../../gcc-11-20201129/gcc/gimplify.c:6862
0xb67dd7 gimplify_compound_expr
../../gcc-11-20201129/gcc/gimplify.c:6062
0xb52141 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc-11-20201129/gcc/gimplify.c:14000
0xb55396 gimplify_stmt(tree_node**, gimple**)
../../gcc-11-20201129/gcc/gimplify.c:6862
0xb52f0b gimplify_statement_list
../../gcc-11-20201129/gcc/gimplify.c:1869
0xb52f0b gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc-11-20201129/gcc/gimplify.c:14454
0xb55396 gimplify_stmt(tree_node**, gimple**)
../../gcc-11-20201129/gcc/gimplify.c:6862
0xb5605d gimplify_bind_expr
../../gcc-11-20201129/gcc/gimplify.c:1417
0xb52121 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc-11-20201129/gcc/gimplify.c:14211
0xb6af39 gimplify_stmt(tree_node**, gimple**)
../../gcc-11-20201129/gcc/gimplify.c:6862
0xb6af39 gimplify_body(tree_node*, bool)
../../gcc-11-20201129/gcc/gimplify.c:15246
0xb6b35d gimplify_function_tree(tree_node*)
../../gcc-11-20201129/gcc/gimplify.c:15400
0x9af937 cgraph_node::analyze()
../../gcc-11-20201129/gcc/cgraphunit.c:670
0x9b2417 analyze_functions
../../gcc-11-20201129/gcc/cgraphunit.c:1235
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-10 --version
gcc (GCC) 10.2.1 20201128
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 test.c
test.c: In function ‘foo’:
test.c:8:7: error: too many arguments to function ‘foo’
8 | x += foo ( x , a , b , c ) ;
| ^~~
test.c:4:6: note: declared here
4 | void foo ( void ) {
| ^~~
test.c:8:2: error: void value not ignored as it ought to be
8 | x += foo ( x , a , b , c ) ;
| ^
test.c:8: confused by earlier errors, bailing out
