Closed
Description
auto-reduced (treereduce-rust):
#![feature(asm_const)]
use std::arch::{asm, global_asm};
fn main() {}
global_asm!("/* {} */", const 1 / 0);
original:
// only-aarch64
// run-pass
// needs-asm-support
#![feature(asm_const)]
use std::arch::{asm, global_asm};
fn const_generic<const X: usize>() -> usize {
unsafe {
let a: usize;
asm!("mov {}, {}", out(reg) a, const X);
a
}
}
const fn constfn(x: usize) -> usize {
x
}
fn main() {
unsafe {
let a: usize;
asm!("mov {}, {}", out(reg) a, const 5);
assert_eq!(a, 5);
let b: usize;
asm!("mov {}, {}", out(reg) b, const constfn(5));
assert_eq!(b, 5);
let c: usize;
asm!("mov {}, {}", out(reg) c, const constfn(5) + constfn(5));
assert_eq!(c, 10);
}
let d = const_generic::<5>();
assert_eq!(d, 5);
}
global_asm!("mov x0, {}", const 5);
global_asm!("mov x0, {}", const constfn(5));
global_asm!("/* {} */", const 1 / 0);Version information
rustc 1.78.0-nightly (340bb19fe 2024-02-14)
binary: rustc
commit-hash: 340bb19fea20fd5f9357bbfac542fad84fc7ea2b
commit-date: 2024-02-14
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: unused import: `asm`
--> /tmp/icemaker_global_tempdir.2zj7DJPZrPS9/rustc_testrunner_tmpdir_reporting.NjtF3y0XkmX4/mvce.rs:3:17
|
3 | use std::arch::{asm, global_asm};
| ^^^
|
= note: `#[warn(unused_imports)]` on by default
error[E0080]: evaluation of constant value failed
--> /tmp/icemaker_global_tempdir.2zj7DJPZrPS9/rustc_testrunner_tmpdir_reporting.NjtF3y0XkmX4/mvce.rs:7:31
|
7 | global_asm!("/* {} */", const 1 / 0);
| ^^^^^ attempt to divide `1_i32` by zero
error: internal compiler error: /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/compiler/rustc_codegen_ssa/src/mono_item.rs:47:41: asm const cannot be resolved
--> /tmp/icemaker_global_tempdir.2zj7DJPZrPS9/rustc_testrunner_tmpdir_reporting.NjtF3y0XkmX4/mvce.rs:7:25
|
7 | global_asm!("/* {} */", const 1 / 0);
| ^^^^^^^^^^^
thread 'rustc' panicked at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/compiler/rustc_middle/src/util/bug.rs:34:50:
Box<dyn Any>
stack backtrace:
0: 0x7f70bbd8ce46 - std::backtrace_rs::backtrace::libunwind::trace::h741b35e6ebf0ea82
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7f70bbd8ce46 - std::backtrace_rs::backtrace::trace_unsynchronized::hf3b09a36cbdb818e
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f70bbd8ce46 - std::sys_common::backtrace::_print_fmt::hd9ddcb56e855ae1f
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7f70bbd8ce46 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1d659f3f1b376713
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f70bbddd46c - core::fmt::rt::Argument::fmt::h268aa39b6fb00372
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/core/src/fmt/rt.rs:142:9
5: 0x7f70bbddd46c - core::fmt::write::h3ca4c8a121ee4a21
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/core/src/fmt/mod.rs:1120:17
6: 0x7f70bbd8087f - std::io::Write::write_fmt::hbae5643614f30ef5
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/io/mod.rs:1854:15
7: 0x7f70bbd8cbf4 - std::sys_common::backtrace::_print::h46251963e880a6db
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f70bbd8cbf4 - std::sys_common::backtrace::print::hf7d8eafd5758e700
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f70bbd8f93b - std::panicking::default_hook::{{closure}}::h762f7d01310422ff
10: 0x7f70bbd8f689 - std::panicking::default_hook::h6bf045830ee7f539
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/panicking.rs:292:9
11: 0x7f70bebf2bac - std[3c399c9137e7035e]::panicking::update_hook::<alloc[b5118abce3d9b84a]::boxed::Box<rustc_driver_impl[aed52aad4ff697f9]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7f70bbd900a0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h183d4d6c4a9f8452
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/alloc/src/boxed.rs:2030:9
13: 0x7f70bbd900a0 - std::panicking::rust_panic_with_hook::hf47919d70d1ff480
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/panicking.rs:785:13
14: 0x7f70bec20264 - std[3c399c9137e7035e]::panicking::begin_panic::<rustc_errors[b0a2db8db751489]::ExplicitBug>::{closure#0}
15: 0x7f70bec1cbc6 - std[3c399c9137e7035e]::sys_common::backtrace::__rust_end_short_backtrace::<std[3c399c9137e7035e]::panicking::begin_panic<rustc_errors[b0a2db8db751489]::ExplicitBug>::{closure#0}, !>
16: 0x7f70bec18146 - std[3c399c9137e7035e]::panicking::begin_panic::<rustc_errors[b0a2db8db751489]::ExplicitBug>
17: 0x7f70bec2bdb1 - <rustc_errors[b0a2db8db751489]::diagnostic_builder::BugAbort as rustc_errors[b0a2db8db751489]::diagnostic_builder::EmissionGuarantee>::emit_producing_guarantee
18: 0x7f70bea8c63d - rustc_middle[70484f9a8b697519]::util::bug::opt_span_bug_fmt::<rustc_span[193b94924c128396]::span_encoding::Span>::{closure#0}
19: 0x7f70bea8ca5a - rustc_middle[70484f9a8b697519]::ty::context::tls::with_opt::<rustc_middle[70484f9a8b697519]::util::bug::opt_span_bug_fmt<rustc_span[193b94924c128396]::span_encoding::Span>::{closure#0}, !>::{closure#0}
20: 0x7f70bea843e8 - rustc_middle[70484f9a8b697519]::ty::context::tls::with_context_opt::<rustc_middle[70484f9a8b697519]::ty::context::tls::with_opt<rustc_middle[70484f9a8b697519]::util::bug::opt_span_bug_fmt<rustc_span[193b94924c128396]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
21: 0x7f70bea826c4 - rustc_middle[70484f9a8b697519]::util::bug::span_bug_fmt::<rustc_span[193b94924c128396]::span_encoding::Span>
22: 0x7f70c09e0200 - rustc_codegen_llvm[63f401253c7e1412]::base::compile_codegen_unit::module_codegen
23: 0x7f70c0d26a93 - <rustc_codegen_llvm[63f401253c7e1412]::LlvmCodegenBackend as rustc_codegen_ssa[a586662d15c3dc2]::traits::backend::ExtraBackendMethods>::compile_codegen_unit
24: 0x7f70c0dac1d7 - rustc_codegen_ssa[a586662d15c3dc2]::base::codegen_crate::<rustc_codegen_llvm[63f401253c7e1412]::LlvmCodegenBackend>
25: 0x7f70c0dab935 - <rustc_codegen_llvm[63f401253c7e1412]::LlvmCodegenBackend as rustc_codegen_ssa[a586662d15c3dc2]::traits::backend::CodegenBackend>::codegen_crate
26: 0x7f70c0ddc8ca - rustc_interface[85a46e65fd36dd64]::passes::start_codegen
27: 0x7f70c0ddc098 - <rustc_interface[85a46e65fd36dd64]::queries::Queries>::codegen_and_build_linker
28: 0x7f70c0c2e0a8 - rustc_interface[85a46e65fd36dd64]::interface::run_compiler::<core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>, rustc_driver_impl[aed52aad4ff697f9]::run_compiler::{closure#0}>::{closure#0}
29: 0x7f70c0dc7b58 - std[3c399c9137e7035e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[85a46e65fd36dd64]::util::run_in_thread_with_globals<rustc_interface[85a46e65fd36dd64]::util::run_in_thread_pool_with_globals<rustc_interface[85a46e65fd36dd64]::interface::run_compiler<core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>, rustc_driver_impl[aed52aad4ff697f9]::run_compiler::{closure#0}>::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>
30: 0x7f70c0dc7984 - <<std[3c399c9137e7035e]::thread::Builder>::spawn_unchecked_<rustc_interface[85a46e65fd36dd64]::util::run_in_thread_with_globals<rustc_interface[85a46e65fd36dd64]::util::run_in_thread_pool_with_globals<rustc_interface[85a46e65fd36dd64]::interface::run_compiler<core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>, rustc_driver_impl[aed52aad4ff697f9]::run_compiler::{closure#0}>::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[7e3aa1eb1ad3b865]::result::Result<(), rustc_span[193b94924c128396]::ErrorGuaranteed>>::{closure#1} as core[7e3aa1eb1ad3b865]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
31: 0x7f70bbd991e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h1516af221a452bc1
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/alloc/src/boxed.rs:2016:9
32: 0x7f70bbd991e5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hff2a9d52ad89d581
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/alloc/src/boxed.rs:2016:9
33: 0x7f70bbd991e5 - std::sys::pal::unix::thread::Thread::new::thread_start::hf359248e8c5b2b25
at /rustc/340bb19fea20fd5f9357bbfac542fad84fc7ea2b/library/std/src/sys/pal/unix/thread.rs:108:17
34: 0x7f70bbb809eb - <unknown>
35: 0x7f70bbc047cc - <unknown>
36: 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 (340bb19fe 2024-02-14) running on x86_64-unknown-linux-gnu
query stack during panic:
end of query stack
error: aborting due to 2 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0080`.
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Area: Inline assembly (`asm!(…)`)Category: This is a bug.`#![feature(asm)]` (not `llvm_asm`)Inline constants (aka: const blocks, const expressions, anonymous constants)Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Relevant to the compiler team, which will review and decide on the PR/issue.