Closed
Description
auto-reduced (treereduce-rust):
union union {
union: u32,
inion: i32,
u8ion: u8,
i64on: i64,
u64on: u64,
}
pub fn main() {
let union = union { union: 2 };
let inion = union { inion: -2 };
let mut mnion = union { inion: -16 };
let m1 = unsafe { mnion.union };
let u1 = unsafe { union.union };
let u2 = unsafe { inion.union };
let _r1 = u2 - u1 - m1;
}
original (gcc/testsuite/rust/compile/torture/union_union.rs) :
union union
{
union: u32,
inion: i32,
u8ion: u8,
i64on: i64,
u64on: u64
}
pub fn main ()
{
let union = union { union: 2 };
let inion = union { inion: -2 };
let mut mnion = union { inion: -16 };
let m1 = unsafe { mnion.union };
unsafe { mnion.union = union.union };
let m2 = unsafe { mnion.inion };
let u1 = unsafe { union.union };
let i1 = unsafe { union.inion };
let u2 = unsafe { inion.union };
let i2 = unsafe { inion.inion };
let _r1 = u2 - u1 - m1;
let _r2 = i1 + i2 + m2;
let _u8 = unsafe { union.u8ion };
let _i64 = unsafe { union.i64on };
let _u64 = unsafe { union.u64on };
}Version information
rustc 1.78.0-nightly (8f359beca 2024-02-23)
binary: rustc
commit-hash: 8f359beca4e58bc3ae795a666301a8f47023044c
commit-date: 2024-02-23
host: x86_64-unknown-linux-gnu
release: 1.78.0-nightly
LLVM version: 18.1.0
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
warning: type `union` should have an upper camel case name
--> /tmp/icemaker_global_tempdir.lpSPfcSJdDgv/rustc_testrunner_tmpdir_reporting.PtvKbcdNLvuk/mvce.rs:1:7
|
1 | union union {
| ^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Union`
|
= note: `#[warn(non_camel_case_types)]` on by default
warning: variable does not need to be mutable
--> /tmp/icemaker_global_tempdir.lpSPfcSJdDgv/rustc_testrunner_tmpdir_reporting.PtvKbcdNLvuk/mvce.rs:12:9
|
12 | let mut mnion = union { inion: -16 };
| ----^^^^^
| |
| help: remove this `mut`
|
= note: `#[warn(unused_mut)]` on by default
error: internal compiler error: /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/compiler/rustc_const_eval/src/interpret/operator.rs:210:13: invalid asymmetric binary op Sub: 4294967294 (i32), 2 (u32)
--> /tmp/icemaker_global_tempdir.lpSPfcSJdDgv/rustc_testrunner_tmpdir_reporting.PtvKbcdNLvuk/mvce.rs:9:1
|
9 | pub fn main() {
| ^^^^^^^^^^^^^
thread 'rustc' panicked at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/compiler/rustc_middle/src/util/bug.rs:34:50:
Box<dyn Any>
stack backtrace:
0: 0x7fdc99bd4af6 - std::backtrace_rs::backtrace::libunwind::trace::h4d16db2f784877bc
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7fdc99bd4af6 - std::backtrace_rs::backtrace::trace_unsynchronized::h584b4a9b0240fa46
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7fdc99bd4af6 - std::sys_common::backtrace::_print_fmt::hd30229489add2f78
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7fdc99bd4af6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2c0d00d6b7d69808
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7fdc99c25a7c - core::fmt::rt::Argument::fmt::hff9bfb4853f651d7
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/core/src/fmt/rt.rs:142:9
5: 0x7fdc99c25a7c - core::fmt::write::h3421d3f24b10b162
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/core/src/fmt/mod.rs:1120:17
6: 0x7fdc99bc94bf - std::io::Write::write_fmt::hec18e9e87db322bb
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/io/mod.rs:1846:15
7: 0x7fdc99bd48a4 - std::sys_common::backtrace::_print::hec336a3777e68e7b
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7fdc99bd48a4 - std::sys_common::backtrace::print::hde3a6d5d13170337
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7fdc99bd75eb - std::panicking::default_hook::{{closure}}::h4a4905d59aca1811
10: 0x7fdc99bd7339 - std::panicking::default_hook::h33a18ce8d018f6fd
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/panicking.rs:292:9
11: 0x7fdc9688467c - std[d1f7731e2ff5974d]::panicking::update_hook::<alloc[6711342ad6595d8]::boxed::Box<rustc_driver_impl[db1009755931a507]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7fdc99bd7d50 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h923e5082c0e2f790
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/alloc/src/boxed.rs:2030:9
13: 0x7fdc99bd7d50 - std::panicking::rust_panic_with_hook::he294011ca89c3e63
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/panicking.rs:783:13
14: 0x7fdc968b0d24 - std[d1f7731e2ff5974d]::panicking::begin_panic::<rustc_errors[8efb6f95facf2fed]::ExplicitBug>::{closure#0}
15: 0x7fdc968adc46 - std[d1f7731e2ff5974d]::sys_common::backtrace::__rust_end_short_backtrace::<std[d1f7731e2ff5974d]::panicking::begin_panic<rustc_errors[8efb6f95facf2fed]::ExplicitBug>::{closure#0}, !>
16: 0x7fdc968ad926 - std[d1f7731e2ff5974d]::panicking::begin_panic::<rustc_errors[8efb6f95facf2fed]::ExplicitBug>
17: 0x7fdc968ba711 - <rustc_errors[8efb6f95facf2fed]::diagnostic::BugAbort as rustc_errors[8efb6f95facf2fed]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
18: 0x7fdc96e55340 - rustc_middle[10e0138f1f482b76]::util::bug::opt_span_bug_fmt::<rustc_span[6ccc48fe7a4f1f83]::span_encoding::Span>::{closure#0}
19: 0x7fdc96e5536a - rustc_middle[10e0138f1f482b76]::ty::context::tls::with_opt::<rustc_middle[10e0138f1f482b76]::util::bug::opt_span_bug_fmt<rustc_span[6ccc48fe7a4f1f83]::span_encoding::Span>::{closure#0}, !>::{closure#0}
20: 0x7fdc96e4e208 - rustc_middle[10e0138f1f482b76]::ty::context::tls::with_context_opt::<rustc_middle[10e0138f1f482b76]::ty::context::tls::with_opt<rustc_middle[10e0138f1f482b76]::util::bug::opt_span_bug_fmt<rustc_span[6ccc48fe7a4f1f83]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
21: 0x7fdc96e472e4 - rustc_middle[10e0138f1f482b76]::util::bug::span_bug_fmt::<rustc_span[6ccc48fe7a4f1f83]::span_encoding::Span>
22: 0x7fdc9877d951 - <rustc_const_eval[57762c5f80ab379e]::interpret::eval_context::InterpCx<rustc_mir_transform[a8066d1d7333d1a3]::dataflow_const_prop::DummyMachine>>::overflowing_binary_op
23: 0x7fdc98246015 - <rustc_mir_transform[a8066d1d7333d1a3]::known_panics_lint::ConstPropagator>::check_binary_op
24: 0x7fdc95415d60 - <rustc_mir_transform[a8066d1d7333d1a3]::known_panics_lint::ConstPropagator as rustc_middle[10e0138f1f482b76]::mir::visit::Visitor>::visit_assign
25: 0x7fdc9824765b - <rustc_mir_transform[a8066d1d7333d1a3]::known_panics_lint::ConstPropagator as rustc_middle[10e0138f1f482b76]::mir::visit::Visitor>::visit_body
26: 0x7fdc9540de69 - <rustc_mir_transform[a8066d1d7333d1a3]::known_panics_lint::KnownPanicsLint as rustc_mir_transform[a8066d1d7333d1a3]::pass_manager::MirLint>::run_lint
27: 0x7fdc97c12289 - rustc_mir_transform[a8066d1d7333d1a3]::pass_manager::run_passes_inner
28: 0x7fdc98363e06 - rustc_mir_transform[a8066d1d7333d1a3]::mir_drops_elaborated_and_const_checked
29: 0x7fdc9836373d - rustc_query_impl[5f3fca9184d705d1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5f3fca9184d705d1]::query_impl::mir_drops_elaborated_and_const_checked::dynamic_query::{closure#2}::{closure#0}, rustc_middle[10e0138f1f482b76]::query::erase::Erased<[u8; 8usize]>>
30: 0x7fdc97e6bc30 - rustc_query_system[3c44b3ad726fdf36]::query::plumbing::try_execute_query::<rustc_query_impl[5f3fca9184d705d1]::DynamicConfig<rustc_query_system[3c44b3ad726fdf36]::query::caches::VecCache<rustc_span[6ccc48fe7a4f1f83]::def_id::LocalDefId, rustc_middle[10e0138f1f482b76]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[5f3fca9184d705d1]::plumbing::QueryCtxt, false>
31: 0x7fdc97e6b50c - rustc_query_impl[5f3fca9184d705d1]::query_impl::mir_drops_elaborated_and_const_checked::get_query_non_incr::__rust_end_short_backtrace
32: 0x7fdc987ee1fa - rustc_interface[94ec20dfe64cdcea]::passes::analysis
33: 0x7fdc987ed9d9 - rustc_query_impl[5f3fca9184d705d1]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[5f3fca9184d705d1]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[10e0138f1f482b76]::query::erase::Erased<[u8; 1usize]>>
34: 0x7fdc98925643 - rustc_query_system[3c44b3ad726fdf36]::query::plumbing::try_execute_query::<rustc_query_impl[5f3fca9184d705d1]::DynamicConfig<rustc_query_system[3c44b3ad726fdf36]::query::caches::SingleCache<rustc_middle[10e0138f1f482b76]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[5f3fca9184d705d1]::plumbing::QueryCtxt, false>
35: 0x7fdc989253bf - rustc_query_impl[5f3fca9184d705d1]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
36: 0x7fdc98934896 - rustc_interface[94ec20dfe64cdcea]::interface::run_compiler::<core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>, rustc_driver_impl[db1009755931a507]::run_compiler::{closure#0}>::{closure#0}
37: 0x7fdc98bcaa4d - std[d1f7731e2ff5974d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[94ec20dfe64cdcea]::util::run_in_thread_with_globals<rustc_interface[94ec20dfe64cdcea]::util::run_in_thread_pool_with_globals<rustc_interface[94ec20dfe64cdcea]::interface::run_compiler<core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>, rustc_driver_impl[db1009755931a507]::run_compiler::{closure#0}>::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>
38: 0x7fdc98bca87a - <<std[d1f7731e2ff5974d]::thread::Builder>::spawn_unchecked_<rustc_interface[94ec20dfe64cdcea]::util::run_in_thread_with_globals<rustc_interface[94ec20dfe64cdcea]::util::run_in_thread_pool_with_globals<rustc_interface[94ec20dfe64cdcea]::interface::run_compiler<core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>, rustc_driver_impl[db1009755931a507]::run_compiler::{closure#0}>::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[bd87c62ae3a7b4ee]::result::Result<(), rustc_span[6ccc48fe7a4f1f83]::ErrorGuaranteed>>::{closure#1} as core[bd87c62ae3a7b4ee]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
39: 0x7fdc99be1725 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h11737601996c7bc7
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/alloc/src/boxed.rs:2016:9
40: 0x7fdc99be1725 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb64bc4a2c7899523
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/alloc/src/boxed.rs:2016:9
41: 0x7fdc99be1725 - std::sys::pal::unix::thread::Thread::new::thread_start::h9f6bca54366231ee
at /rustc/8f359beca4e58bc3ae795a666301a8f47023044c/library/std/src/sys/pal/unix/thread.rs:108:17
42: 0x7fdc9387355a - <unknown>
43: 0x7fdc938f0a3c - <unknown>
44: 0x0 - <unknown>
note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md
note: rustc 1.78.0-nightly (8f359beca 2024-02-23) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [mir_drops_elaborated_and_const_checked] elaborating drops for `main`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 1 previous error; 2 warnings emitted