https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117752
Bug ID: 117752
Summary: ICE: Segmentation fault
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c
Assignee: unassigned at gcc dot gnu.org
Reporter: xieym3 at zohomail dot com
Target Milestone: ---
$ cat 20241123025220_14.c
void ldt_add_entry ( void )
{
__asm__ ( "" : : "m" ( ( { unsigned __v ; auto volatile __inline__
__attribute__ ( ( ) ) register __restrict__ _Noreturn ; } ) ) ) ;
}
$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=/data/xieym/exp/gcc/test_data/gcc-latest-install/bin/gcc
COLLECT_LTO_WRAPPER=/data/xieym/exp/gcc/test_data/gcc-latest-install/libexec/gcc/x86_64-pc-linux-gnu/15.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /data/xieym/exp/gcc/test_data/gcc-latest-src/configure
--enable-coverage --enable-checking --disable-multilib --disable-shared
--disable-bootstrap --enable-languages=c,c++
--prefix=/data/xieym/exp/gcc/test_data/gcc-latest-install
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.0.0 20241123 (experimental) (GCC)
$ gcc-trunk -x c -std=c2x -c 20241123025220_14.c -o /dev/null
20241123025220_14.c: In function ‘ldt_add_entry’:
20241123025220_14.c:3:43: error: ‘auto’ in empty declaration
3 | __asm__ ( "" : : "m" ( ( { unsigned __v ; auto volatile __inline__
__attribute__ ( ( ) ) register __restrict__ _Noreturn ; } ) ) ) ;
| ^~~~
20241123025220_14.c:3:26: internal compiler error: Segmentation fault
3 | __asm__ ( "" : : "m" ( ( { unsigned __v ; auto volatile __inline__
__attribute__ ( ( ) ) register __restrict__ _Noreturn ; } ) ) ) ;
|
~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0x567214e internal_error(char const*, ...)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/diagnostic-global-context.cc:517
0x1ff4060 crash_signal
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/toplev.cc:322
0x7f1ae8e6051f ???
./signal/../sysdeps/unix/sysv/linux/x86_64/libc_sigaction.c:0
0x170106e is_gimple_variable(tree_node*)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimple-expr.h:84
0x1701121 is_gimple_id(tree_node*)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimple-expr.h:95
0x1701201 is_gimple_addressable(tree_node*)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimple-expr.h:122
0x16fee26 is_gimple_lvalue(tree_node*)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimple-expr.cc:597
0x182f3f7 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:19668
0x17d021a gimplify_asm_expr
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:7458
0x182b177 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:18989
0x17d2b23 gimplify_stmt(tree_node**, gimple**)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:7839
0x17ac306 gimplify_bind_expr
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:1651
0x182a286 gimplify_expr(tree_node**, gimple**, gimple**, bool (*)(tree_node*),
int)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:18857
0x17d2b23 gimplify_stmt(tree_node**, gimple**)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:7839
0x1831208 gimplify_body(tree_node*, bool)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:19945
0x18323e7 gimplify_function_tree(tree_node*)
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/gimplify.cc:20146
0x133bf2a cgraph_node::analyze()
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/cgraphunit.cc:687
0x133fe1a analyze_functions
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/cgraphunit.cc:1251
0x134639f symbol_table::finalize_compilation_unit()
/data/xieym/exp/gcc/test_data/gcc-latest-src/gcc/cgraphunit.cc:2560
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.
