ice: calling const FnDef errored when it shouldn't
#117795
Labels
A-const-eval
Area: Constant evaluation (MIR interpretation)
C-bug
Category: This is a bug.
I-ICE
Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️
S-bug-has-test
Status: This bug is tracked inside the repo by a `known-bug` test.
T-compiler
Relevant to the compiler team, which will review and decide on the PR/issue.
Comments
matthiaskrgr
added
I-ICE
rustbot
added
the
needs-triage
|
Regression in nightly-2022-02-14 |
matthiaskrgr
added
the
A-const-eval
saethlin
removed
the
needs-triage
matthiaskrgr
added
the
S-bug-has-test
|
Is the following code due to the same reason? const fn a() -> usize {
b()
}
const fn b() -> usize {
a()
}
const ARR: [i32; a.call(())] = [5; 6];
fn main() {}rustc 1.84.0-nightly (b91a3a056 2024-11-07)
binary: rustc
commit-hash: b91a3a05609a46f73d23e0995ae7ebb4a4f429a5
commit-date: 2024-11-07
host: x86_64-unknown-linux-gnu
release: 1.84.0-nightly
LLVM version: 19.1.3note: 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: please make sure that you have updated to the latest nightly
note: compiler flags: --crate-type staticlib -C link-dead-code -C debuginfo=2 -C opt-level=3 -Z mir-opt-level=3
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 3 previous errors
Some errors have detailed explanations: E0277, E0428.
For more information about an error, try `rustc --explain E0277`.
(base) ➜ crash_20241107_132156_0034 git:(master) ✗ cd ../crash_20241107_140102_0039
(base) ➜ crash_20241107_140102_0039 git:(master) ✗ ls
bug_descriptor.properties crash_signature.txt delta mutant.rs reproduce.sh rustc-ice-2024-11-08T08_46_24-2164265.txt seed.rs stderr.txt stdout.txt
(base) ➜ crash_20241107_140102_0039 git:(master) ✗ rustc --crate-type staticlib -C link-dead-code -C debuginfo=2 -C opt-level=3 -Z mir-opt-level=3 mutant.rs
error[E0658]: use of unstable library feature `fn_traits`
--> mutant.rs:7:20
|
7 | const ARR: [i32; a.call(())] = [5; 6];
| ^^^^
|
= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
= help: add `#![feature(fn_traits)]` to the crate attributes to enable
= note: this compiler was built on 2024-11-07; consider upgrading it if it is out of date
error: internal compiler error: compiler/rustc_const_eval/src/check_consts/ops.rs:177:29: calling const FnDef errored when it shouldn't
--> mutant.rs:1:1
|
1 | const fn a() -> usize {
| ^^^^^^^^^^^^^^^^^^^^^
thread 'rustc' panicked at compiler/rustc_const_eval/src/check_consts/ops.rs:177:29:
Box<dyn Any>
stack backtrace:
0: 0x7fa99a25517a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hfadad24fb33e3d1a
1: 0x7fa99aa040a6 - core::fmt::write::h42d25fbda60cd99f
2: 0x7fa99bdc3351 - std::io::Write::write_fmt::hc2819193e80b365e
3: 0x7fa99a254fd2 - std::sys::backtrace::BacktraceLock::print::h9450230402d77664
4: 0x7fa99a2574d6 - std::panicking::default_hook::{{closure}}::h739047d4d787c596
5: 0x7fa99a257320 - std::panicking::default_hook::h203d1229480f37a5
6: 0x7fa9992d2269 - std[56fe22ad9ea837fd]::panicking::update_hook::<alloc[b5641001d343df5f]::boxed::Box<rustc_driver_impl[945e9afaf49c7d35]::install_ice_hook::{closure#0}>>::{clos
7: 0x7fa99a257be8 - std::panicking::rust_panic_with_hook::h657fdcc17f7e2546
8: 0x7fa99930c191 - std[56fe22ad9ea837fd]::panicking::begin_panic::<rustc_errors[43c84716ac990581]::ExplicitBug>::{closure#0}
9: 0x7fa9992ff166 - std[56fe22ad9ea837fd]::sys::backtrace::__rust_end_short_backtrace::<std[56fe22ad9ea837fd]::panicking::begin_panic<rustc_errors[43c84716ac990581]::ExplicitBug>:
10: 0x7fa9992feefe - std[56fe22ad9ea837fd]::panicking::begin_panic::<rustc_errors[43c84716ac990581]::ExplicitBug>
11: 0x7fa999315e71 - <rustc_errors[43c84716ac990581]::diagnostic::BugAbort as rustc_errors[43c84716ac990581]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
12: 0x7fa99921c09c - <rustc_errors[43c84716ac990581]::DiagCtxtHandle>::span_bug::<rustc_span[db86d96c2ae2e3a4]::span_encoding::Span, alloc[b5641001d343df5f]::string::String>
13: 0x7fa999243757 - rustc_middle[f0eb6ba890d0a9bb]::util::bug::opt_span_bug_fmt::<rustc_span[db86d96c2ae2e3a4]::span_encoding::Span>::{closure#0}
14: 0x7fa99924378a - rustc_middle[f0eb6ba890d0a9bb]::ty::context::tls::with_opt::<rustc_middle[f0eb6ba890d0a9bb]::util::bug::opt_span_bug_fmt<rustc_span[db86d96c2ae2e3a4]::span_enc
15: 0x7fa99922eb2b - rustc_middle[f0eb6ba890d0a9bb]::ty::context::tls::with_context_opt::<rustc_middle[f0eb6ba890d0a9bb]::ty::context::tls::with_opt<rustc_middle[f0eb6ba890d0a9bb]:
16: 0x7fa9984000e7 - rustc_middle[f0eb6ba890d0a9bb]::util::bug::span_bug_fmt::<rustc_span[db86d96c2ae2e3a4]::span_encoding::Span>
17: 0x7fa999276fa3 - <rustc_const_eval[7b31d01bb6bba4c4]::check_consts::ops::FnCallNonConst as rustc_const_eval[7b31d01bb6bba4c4]::check_consts::ops::NonConstOp>::build_error
18: 0x7fa99927187d - <rustc_const_eval[7b31d01bb6bba4c4]::check_consts::check::Checker>::check_op_spanned::<rustc_const_eval[7b31d01bb6bba4c4]::check_consts::ops::FnCallNonConst>
19: 0x7fa99b577b6d - <rustc_const_eval[7b31d01bb6bba4c4]::check_consts::check::Checker as rustc_middle[f0eb6ba890d0a9bb]::mir::visit::Visitor>::visit_terminator
20: 0x7fa99b57d517 - <rustc_const_eval[7b31d01bb6bba4c4]::check_consts::check::Checker>::check_body
21: 0x7fa99b57cc1e - rustc_mir_transform[c62e463fc59f8bd1]::mir_const_qualif
22: 0x7fa99b57ca25 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_const_qualif::dynamic_query::{
23: 0x7fa99b57b792 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
24: 0x7fa99b57b522 - rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_const_qualif::get_query_non_incr::__rust_end_short_backtrace
25: 0x7fa997f18083 - rustc_mir_transform[c62e463fc59f8bd1]::mir_promoted
26: 0x7fa99af32292 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_promoted::dynamic_query::{clos
27: 0x7fa99af3255f - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
28: 0x7fa99bab20d0 - rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_promoted::get_query_non_incr::__rust_end_short_backtrace
29: 0x7fa99bab21c6 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_borrowck::dynamic_query::{clos
30: 0x7fa99b123681 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
31: 0x7fa99b12318d - rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_borrowck::get_query_non_incr::__rust_end_short_backtrace
32: 0x7fa99acdde73 - rustc_mir_transform[c62e463fc59f8bd1]::mir_drops_elaborated_and_const_checked
33: 0x7fa99acdd45b - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_drops_elaborated_and_const_che
34: 0x7fa99b123681 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
35: 0x7fa99b1230cd - rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_drops_elaborated_and_const_checked::get_query_non_incr::__rust_end_short_backtrace
36: 0x7fa99adb6fb0 - rustc_mir_transform[c62e463fc59f8bd1]::mir_for_ctfe
37: 0x7fa99adb6e5d - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_for_ctfe::dynamic_query::{clos
38: 0x7fa99aa23bb6 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
39: 0x7fa99b34977d - rustc_query_impl[1357963d8dd30e8b]::query_impl::mir_for_ctfe::get_query_non_incr::__rust_end_short_backtrace
40: 0x7fa99b3498c2 - <rustc_const_eval[7b31d01bb6bba4c4]::interpret::eval_context::InterpCx<rustc_const_eval[7b31d01bb6bba4c4]::const_eval::machine::CompileTimeMachine>>::load_mir
41: 0x7fa99b34a6d7 - rustc_const_eval[7b31d01bb6bba4c4]::const_eval::eval_queries::eval_to_allocation_raw_provider
42: 0x7fa99b34a436 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::eval_to_allocation_raw::dynamic_qu
43: 0x7fa99b34574b - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
44: 0x7fa99b345339 - rustc_query_impl[1357963d8dd30e8b]::query_impl::eval_to_allocation_raw::get_query_non_incr::__rust_end_short_backtrace
45: 0x7fa99b31a09c - rustc_const_eval[7b31d01bb6bba4c4]::const_eval::valtrees::eval_to_valtree
46: 0x7fa99b319ebf - <rustc_const_eval[7b31d01bb6bba4c4]::provide::{closure#0} as core[5ba82ee3405aa490]::ops::function::FnOnce<(rustc_middle[f0eb6ba890d0a9bb]::ty::context::TyCtxt
47: 0x7fa99b319e76 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::eval_to_valtree::dynamic_query::{c
48: 0x7fa99b319e2f - <rustc_query_impl[1357963d8dd30e8b]::query_impl::eval_to_valtree::dynamic_query::{closure#2} as core[5ba82ee3405aa490]::ops::function::FnOnce<(rustc_middle[f0e
49: 0x7fa99b34581f - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
50: 0x7fa99b53f047 - rustc_query_impl[1357963d8dd30e8b]::query_impl::eval_to_valtree::get_query_non_incr::__rust_end_short_backtrace
51: 0x7fa99b53e84e - rustc_middle[f0eb6ba890d0a9bb]::query::plumbing::query_get_at::<rustc_query_system[887bb79932b1d8c1]::query::caches::DefaultCache<rustc_middle[f0eb6ba890d0a9bb
52: 0x7fa99b53e2db - <rustc_middle[f0eb6ba890d0a9bb]::ty::context::TyCtxt>::const_eval_global_id_for_typeck
53: 0x7fa99b53c9cc - <rustc_middle[f0eb6ba890d0a9bb]::ty::context::TyCtxt>::const_eval_resolve_for_typeck
54: 0x7fa99b53c682 - <rustc_middle[f0eb6ba890d0a9bb]::ty::consts::Const>::normalize_internal
55: 0x7fa99b497a4d - <rustc_middle[f0eb6ba890d0a9bb]::ty::Ty as rustc_type_ir[8408d34320f8a6fb]::fold::TypeSuperFoldable<rustc_middle[f0eb6ba890d0a9bb]::ty::context::TyCtxt>>::try_
56: 0x7fa99af009a6 - <rustc_hir_analysis[af6e6fecb0b5810e]::check::wfcheck::WfCheckingCtxt>::normalize::<rustc_middle[f0eb6ba890d0a9bb]::ty::Ty>
57: 0x7fa99aef7c67 - rustc_hir_analysis[af6e6fecb0b5810e]::check::wfcheck::check_item_type
58: 0x7fa998280721 - rustc_hir_analysis[af6e6fecb0b5810e]::check::wfcheck::check_well_formed
59: 0x7fa99adef1c7 - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::check_well_formed::dynamic_query::
60: 0x7fa99adee919 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c
61: 0x7fa99adee590 - rustc_query_impl[1357963d8dd30e8b]::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
62: 0x7fa99adef440 - rustc_hir_analysis[af6e6fecb0b5810e]::check::wfcheck::check_mod_type_wf
63: 0x7fa99adef26f - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f0eb6ba890d0a9bb]::query::erase::Erased<[u8; 1usize]>>
64: 0x7fa99b5ed0c1 - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c1]::query::caches::DefaultCache<rustc_span[db86d96c2ae2e3a4]::def_id::LocalModDefId, rustc_middle[f0eb6ba890d0a9bb]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1357963d8dd30e8b]::plumbing::QueryCtxt, false>
65: 0x7fa99b5ece70 - rustc_query_impl[1357963d8dd30e8b]::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
66: 0x7fa99b11f42f - rustc_hir_analysis[af6e6fecb0b5810e]::check_crate
67: 0x7fa99b268aca - rustc_interface[5fea8bf9cd0b71b5]::passes::run_required_analyses
68: 0x7fa99b80861e - rustc_interface[5fea8bf9cd0b71b5]::passes::analysis
69: 0x7fa99b8085ef - rustc_query_impl[1357963d8dd30e8b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[1357963d8dd30e8b]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f0eb6ba890d0a9bb]::query::erase::Erased<[u8; 1usize]>>
70: 0x7fa99b992cee - rustc_query_system[887bb79932b1d8c1]::query::plumbing::try_execute_query::<rustc_query_impl[1357963d8dd30e8b]::DynamicConfig<rustc_query_system[887bb79932b1d8c1]::query::caches::SingleCache<rustc_middle[f0eb6ba890d0a9bb]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[1357963d8dd30e8b]::plumbing::QueryCtxt, false>
71: 0x7fa99b9929ce - rustc_query_impl[1357963d8dd30e8b]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
72: 0x7fa99b88707a - rustc_interface[5fea8bf9cd0b71b5]::interface::run_compiler::<core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>, rustc_driver_impl[945e9afaf49c7d35]::run_compiler::{closure#0}>::{closure#1}
73: 0x7fa99b8cd5d0 - std[56fe22ad9ea837fd]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[5fea8bf9cd0b71b5]::util::run_in_thread_with_globals<rustc_interface[5fea8bf9cd0b71b5]::util::run_in_thread_pool_with_globals<rustc_interface[5fea8bf9cd0b71b5]::interface::run_compiler<core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>, rustc_driver_impl[945e9afaf49c7d35]::run_compiler::{closure#0}>::{closure#1}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>::{closure#0}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>
74: 0x7fa99b8cd9eb - <<std[56fe22ad9ea837fd]::thread::Builder>::spawn_unchecked_<rustc_interface[5fea8bf9cd0b71b5]::util::run_in_thread_with_globals<rustc_interface[5fea8bf9cd0b71b5]::util::run_in_thread_pool_with_globals<rustc_interface[5fea8bf9cd0b71b5]::interface::run_compiler<core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>, rustc_driver_impl[945e9afaf49c7d35]::run_compiler::{closure#0}>::{closure#1}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>::{closure#0}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[5ba82ee3405aa490]::result::Result<(), rustc_span[db86d96c2ae2e3a4]::ErrorGuaranteed>>::{closure#1} as core[5ba82ee3405aa490]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
75: 0x7fa99b8ce4b9 - std::sys::pal::unix::thread::Thread::new::thread_start::hb3d6392adeea417c
76: 0x7fa995a54ac3 - start_thread
at ./nptl/pthread_create.c:442:8
77: 0x7fa995ae6850 - __GI___clone3
at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
78: 0x0 - <unknown> |
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auto-reduced (treereduce-rust):
original:
Version information
Command:
/home/matthias/.rustup/toolchains/master/bin/rustcProgram output
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