https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119992
Bug ID: 119992
Summary: internal compiler error: in gimplify_expr, at
gimplify.cc:19860
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
int main(int argc, char **argv) {
int d[] = {2, 4, 5, 3, 8, 6, 7, 8, 8};
void* p;
int count = 0;
int e[count + 1];
for (int i = 0; i<(count + 1); i++) {
e[i] = *(d + i);
}
int count[8];
for (int i=0; i<8; i++) {
count[i] = 0;
}
return 0;
}
$ 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>:6:22: internal compiler error: in gimplify_expr, at gimplify.cc:19860
6 | for (int i = 0; i<(count + 1); 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
0xf56f88 fancy_abort(char const*, int, char const*)
???:0
0x13707f2 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
???:0
0x13728e2 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
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
0x13745da gimplify_stmt(tree_node**, gimple**)
???:0
0x1371933 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
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
Godbolt url: https://godbolt.org/z/qT5MbzG44
