https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107705
Bug ID: 107705
Summary: [12/13 Regression] ICE: tree check: expected class
'type', have 'exceptional' (error_mark) in
ix86_function_type_abi, at config/i386/i386.cc:1529
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Started between 20210822 and 20210905 :
$ cat z1.c
int f (void)
{
int (*p) (void) = 0;
return p ();
int p = 1;
}
$ gcc-13-20221106 -c z1.c
z1.c: In function 'f':
z1.c:5:7: error: conflicting types for 'p'; have 'int'
5 | int p = 1;
| ^
z1.c:3:9: note: previous definition of 'p' with type 'int (*)(void)'
3 | int (*p) (void) = 0;
| ^
z1.c:4:10: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in ix86_function_type_abi, at
config/i386/i386.cc:1529
4 | return p ();
| ^~~~
0x6aed15 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
../../gcc/tree.cc:8896
0x130184c tree_class_check(tree_node const*, tree_code_class, char const*, int,
char const*)
../../gcc/tree.h:3911
0x130184c ix86_function_type_abi(tree_node const*)
../../gcc/config/i386/i386.cc:1529
0x130373d ix86_return_in_memory
../../gcc/config/i386/i386.cc:4249
0xb289d0 aggregate_value_p(tree_node const*, tree_node const*)
../../gcc/function.cc:2119
0xbbbea5 gimplify_modify_expr_rhs
../../gcc/gimplify.cc:5775
0xbbcb0e gimplify_modify_expr
../../gcc/gimplify.cc:6100
0xbad0f7 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.cc:16352
0xbb0fd8 gimplify_stmt(tree_node**, gimple**)
../../gcc/gimplify.cc:7211
0xbabe5e gimplify_and_add(tree_node*, gimple**)
../../gcc/gimplify.cc:492
0xbabe5e gimplify_return_expr
../../gcc/gimplify.cc:1680
0xbabe5e gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.cc:16614
0xbb0fd8 gimplify_stmt(tree_node**, gimple**)
../../gcc/gimplify.cc:7211
0xbac3cb gimplify_statement_list
../../gcc/gimplify.cc:2019
0xbac3cb gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.cc:16797
0xbb0fd8 gimplify_stmt(tree_node**, gimple**)
../../gcc/gimplify.cc:7211
0xbb1963 gimplify_bind_expr
../../gcc/gimplify.cc:1430
0xbac8da gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
../../gcc/gimplify.cc:16553
0xbb0fd8 gimplify_stmt(tree_node**, gimple**)
../../gcc/gimplify.cc:7211
0xbb2bde gimplify_body(tree_node*, bool)
../../gcc/gimplify.cc:17612
