https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119651
Bug ID: 119651
Summary: internal compiler error: tree check: expected class
'type', have 'exceptional' (error_mark) in
tree_nonzero_bits, at fold-const.cc:16702
Product: gcc
Version: 14.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: xieym3 at zohomail dot com
Target Milestone: ---
$ cat file.c
int main() {
int r = 0;
while (r % 2 == 0) {
}
double r = (double) sizeof(int);
return 0;
}
$ gcc -v
Using built-in specs.
COLLECT_GCC=/data/xieym/work-f4/install/gcc-14.2.0/bin/gcc
COLLECT_LTO_WRAPPER=/data/xieym/work-f4/install/gcc-14.2.0/libexec/gcc/x86_64-pc-linux-gnu/14.2.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /data/xieym/work-f4/src/gcc-14.2.0/configure --enable-coverage
--enable-checking --disable-multilib --disable-shared --disable-bootstrap
--enable-languages=c,c++ --prefix=/data/xieym/work-f4/install/gcc-14.2.0
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.2.0 (GCC)
$ gcc -x c file.c -o /dev/null
<source>:7:1: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in tree_nonzero_bits, at fold-const.cc:16702
7 | }
| ^
0x2600f05 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x2617ed6 internal_error(char const*, ...)
???:0
0x8f3c89 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
???:0
0xd2d00a tree_nonzero_bits(tree_node const*)
???:0
0x1a3a941 tree_zero_one_valued_p(tree_node*)
???:0
0x1b967d1 generic_simplify_COND_EXPR(unsigned long, tree_code, tree_node*,
tree_node*, tree_node*, tree_node*)
???:0
0xd4ec3f fold_ternary_loc(unsigned long, tree_code, tree_node*, tree_node*,
tree_node*, tree_node*)
???:0
0xd50fdb fold_build3_loc(unsigned long, tree_code, tree_node*, tree_node*,
tree_node*, tree_node*)
???:0
0xb173d2 c_genericize_control_stmt(tree_node**, int*, void*, tree_node*
(*)(tree_node**, int*, void*), tree_node* (*)(tree_node**, int*, tree_node*
(*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
???:0
0x14e1f2c 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*> >*))
???:0
0xb17a94 c_genericize_control_stmt(tree_node**, int*, void*, tree_node*
(*)(tree_node**, int*, void*), tree_node* (*)(tree_node**, int*, tree_node*
(*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
???:0
0x14e1f2c 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*> >*))
???:0
0xb17a94 c_genericize_control_stmt(tree_node**, int*, void*, tree_node*
(*)(tree_node**, int*, void*), tree_node* (*)(tree_node**, int*, tree_node*
(*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false,
default_hash_traits<tree_node*> >*))
???:0
0x14e1f2c 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*> >*))
???:0
0xb15b82 c_genericize(tree_node*)
???:0
0xa16050 finish_function(unsigned long)
???:0
0xab19fe c_parse_file()
???:0
0xb308b9 c_common_parse_file()
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
GodBolt Url: https://godbolt.org/z/Gadr6rvY6
