https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119991
Bug ID: 119991
Summary: internal compiler error: tree check: expected class
'type', have 'exceptional' (error_mark) in
create_tmp_from_val, at gimplify.cc:621
Product: gcc
Version: 16.0
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
float * fitness_table = NULL;
unsigned char * population1 = NULL;
float fitness1(unsigned char * dna){
int i;
float fitness = 0;
for (i = 0; i < 400; ++i){
fitness += fitness1_single(dna + i * 2, fitness_table[i]);
}
return fitness;
}
float fitness_table [400] =
{
};
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=/data/xieym/compiler/install/gcc-trunk/bin/gcc
COLLECT_LTO_WRAPPER=/data/xieym/compiler/install/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/16.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /data/xieym/compiler/src/gcc/configure --enable-coverage
--enable-checking --disable-multilib --disable-shared --disable-bootstrap
--enable-languages=c,c++ --prefix=/data/xieym/compiler/install/gcc-trunk
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.0 20250428 (experimental) (GCC)
$ gcc-trunk -std=c2x file.c -o /dev/null
<source>:7:20: internal compiler error: tree check: expected class 'type', have
'exceptional' (error_mark) in create_tmp_from_val, at gimplify.cc:621
7 | fitness += fitness1_single(dna + i * 2, fitness_table[i]);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x2ea0055 diagnostic_context::diagnostic_impl(rich_location*,
diagnostic_metadata const*, diagnostic_option_id, char const*, __va_list_tag
(*) [1], diagnostic_t)
???:0
0x2eb7026 internal_error(char const*, ...)
???:0
0x95a5ad tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
???:0
0x1372490 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x1371e96 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x13745da gimplify_stmt(tree_node**, gimple**)
???:0
0x13720da gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x13745da gimplify_stmt(tree_node**, gimple**)
???:0
0x1371933 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x13745da gimplify_stmt(tree_node**, gimple**)
???:0
0x1371933 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x13745da gimplify_stmt(tree_node**, gimple**)
???:0
0x13720da gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x137a926 gimplify_body(tree_node*, bool)
???:0
0x137adec gimplify_function_tree(tree_node*)
???:0
0x117bec7 cgraph_node::analyze()
???:0
0x117f241 symbol_table::finalize_compilation_unit()
???:0
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
Compiler returned: 1
Is this bug the same as the one in
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119649
Godbolt url: https://godbolt.org/z/j69dGoKq9
