Closed as not planned
Closed as not planned
Description
Code
rustc -Zstrict-init-checks=yes -Zpolymorphize=on -Zmir-opt-level=3 file.rs
use std::mem::{self};
struct Wrap<T> {
wrapped: T,
}
fn generic<T: 'static>() {
unsafe {
let _val: Wrap<&'static T> = mem::uninitialized();
}
}
fn main() {}Meta
rustc --version --verbose:
rustc 1.73.0-nightly (500647fd8 2023-07-27)
binary: rustc
commit-hash: 500647fd8138cc09e87edb08d62f81654fbf6ef8
commit-date: 2023-07-27
host: x86_64-unknown-linux-gnu
release: 1.73.0-nightly
LLVM version: 16.0.5
Error output
<output>
Backtrace
error: internal compiler error: /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/compiler/rustc_middle/src/ty/layout.rs:958:21: failed to get layout for `&T`: Unknown(<T as std::ptr::Pointee>::Metadata),
despite it being a field (#0) of an existing layout: TyAndLayout {
ty: Wrap<&T>,
layout: Layout {
size: Size(8 bytes),
align: AbiAndPrefAlign {
abi: Align(8 bytes),
pref: Align(8 bytes),
},
abi: Scalar(
Initialized {
value: Pointer(
AddressSpace(
0,
),
),
valid_range: 1..=18446744073709551615,
},
),
fields: Arbitrary {
offsets: [
Size(0 bytes),
],
memory_index: [
0,
],
},
largest_niche: Some(
Niche {
offset: Size(0 bytes),
value: Pointer(
AddressSpace(
0,
),
),
valid_range: 1..=18446744073709551615,
},
),
variants: Single {
index: 0,
},
max_repr_align: None,
unadjusted_abi_align: Align(8 bytes),
},
}
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/compiler/rustc_errors/src/lib.rs:1645:9
stack backtrace:
0: 0x7ff884b62fc1 - std::backtrace_rs::backtrace::libunwind::trace::h757b492de7e38f51
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7ff884b62fc1 - std::backtrace_rs::backtrace::trace_unsynchronized::he91e3190ab8d9c4f
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7ff884b62fc1 - std::sys_common::backtrace::_print_fmt::h6e24477d644418e5
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7ff884b62fc1 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h3878e1514fe266c9
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7ff884bc949c - core::fmt::rt::Argument::fmt::h407ed1ed725edf0f
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/core/src/fmt/rt.rs:138:9
5: 0x7ff884bc949c - core::fmt::write::h80ad66db775b495e
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/core/src/fmt/mod.rs:1094:21
6: 0x7ff884b556be - std::io::Write::write_fmt::h535bb7b7a3791561
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/io/mod.rs:1714:15
7: 0x7ff884b62dd5 - std::sys_common::backtrace::_print::hb86dcc235566a2df
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7ff884b62dd5 - std::sys_common::backtrace::print::h720885d4d12f3280
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7ff884b65e2a - std::panicking::panic_hook_with_disk_dump::{{closure}}::h760a0ce73306965a
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/panicking.rs:278:22
10: 0x7ff884b65ac3 - std::panicking::panic_hook_with_disk_dump::hd7987642ef347005
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/panicking.rs:312:9
11: 0x7ff887d83f09 - rustc_driver_impl[4c3415319b4cba14]::install_ice_hook::{closure#0}
12: 0x7ff884b666d0 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hc74b41dc32ec0c34
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/alloc/src/boxed.rs:2021:9
13: 0x7ff884b666d0 - std::panicking::rust_panic_with_hook::h917efb61d3f92bd6
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/panicking.rs:733:13
14: 0x7ff88834abb1 - std[5080124dd0971100]::panicking::begin_panic::<rustc_errors[528ecd00bd6aace4]::ExplicitBug>::{closure#0}
15: 0x7ff888348e46 - std[5080124dd0971100]::sys_common::backtrace::__rust_end_short_backtrace::<std[5080124dd0971100]::panicking::begin_panic<rustc_errors[528ecd00bd6aace4]::ExplicitBug>::{closure#0}, !>
16: 0x7ff8882bfaa6 - std[5080124dd0971100]::panicking::begin_panic::<rustc_errors[528ecd00bd6aace4]::ExplicitBug>
17: 0x7ff8882d4dc4 - <rustc_errors[528ecd00bd6aace4]::HandlerInner>::bug::<alloc[4a1a2fec03248e1d]::string::String>
18: 0x7ff8882d4c48 - <rustc_errors[528ecd00bd6aace4]::Handler>::bug::<alloc[4a1a2fec03248e1d]::string::String>
19: 0x7ff88831bfec - rustc_middle[b0c4fd38174bce7e]::util::bug::opt_span_bug_fmt::<rustc_span[a85072546ba3a5ab]::span_encoding::Span>::{closure#0}
20: 0x7ff88831adea - rustc_middle[b0c4fd38174bce7e]::ty::context::tls::with_opt::<rustc_middle[b0c4fd38174bce7e]::util::bug::opt_span_bug_fmt<rustc_span[a85072546ba3a5ab]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7ff88831adb8 - rustc_middle[b0c4fd38174bce7e]::ty::context::tls::with_context_opt::<rustc_middle[b0c4fd38174bce7e]::ty::context::tls::with_opt<rustc_middle[b0c4fd38174bce7e]::util::bug::opt_span_bug_fmt<rustc_span[a85072546ba3a5ab]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7ff886888380 - rustc_middle[b0c4fd38174bce7e]::util::bug::bug_fmt
23: 0x7ff8864b3c08 - <rustc_const_eval[b104660bb5ced4cb]::interpret::eval_context::InterpCx<rustc_const_eval[b104660bb5ced4cb]::const_eval::machine::CompileTimeInterpreter>>::project_field::<rustc_const_eval[b104660bb5ced4cb]::interpret::operand::OpTy>
24: 0x7ff8864b0551 - <rustc_const_eval[b104660bb5ced4cb]::interpret::validity::ValidityVisitor<rustc_const_eval[b104660bb5ced4cb]::const_eval::machine::CompileTimeInterpreter> as rustc_const_eval[b104660bb5ced4cb]::interpret::visitor::ValueVisitor<rustc_const_eval[b104660bb5ced4cb]::const_eval::machine::CompileTimeInterpreter>>::walk_value
25: 0x7ff8862f1676 - <rustc_const_eval[b104660bb5ced4cb]::interpret::eval_context::InterpCx<rustc_const_eval[b104660bb5ced4cb]::const_eval::machine::CompileTimeInterpreter>>::validate_operand_internal
26: 0x7ff887425915 - rustc_const_eval[b104660bb5ced4cb]::util::check_validity_requirement::check_validity_requirement
27: 0x7ff887425564 - <rustc_const_eval[b104660bb5ced4cb]::provide::{closure#3} as core[14419025a21183a1]::ops::function::FnOnce<(rustc_middle[b0c4fd38174bce7e]::ty::context::TyCtxt, (rustc_middle[b0c4fd38174bce7e]::ty::layout::ValidityRequirement, rustc_middle[b0c4fd38174bce7e]::ty::ParamEnvAnd<rustc_middle[b0c4fd38174bce7e]::ty::Ty>))>>::call_once
28: 0x7ff887258c32 - rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::check_validity_requirement::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 16usize]>>
29: 0x7ff887258bf2 - <rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::check_validity_requirement::dynamic_query::{closure#2} as core[14419025a21183a1]::ops::function::FnOnce<(rustc_middle[b0c4fd38174bce7e]::ty::context::TyCtxt, (rustc_middle[b0c4fd38174bce7e]::ty::layout::ValidityRequirement, rustc_middle[b0c4fd38174bce7e]::ty::ParamEnvAnd<rustc_middle[b0c4fd38174bce7e]::ty::Ty>))>>::call_once
30: 0x7ff8873ec5fb - rustc_query_system[bd77d5a6524fb1ee]::query::plumbing::try_execute_query::<rustc_query_impl[9e9aac2bcfc5a39e]::DynamicConfig<rustc_query_system[bd77d5a6524fb1ee]::query::caches::DefaultCache<(rustc_middle[b0c4fd38174bce7e]::ty::layout::ValidityRequirement, rustc_middle[b0c4fd38174bce7e]::ty::ParamEnvAnd<rustc_middle[b0c4fd38174bce7e]::ty::Ty>), rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::QueryCtxt, false>
31: 0x7ff8873ec27e - rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::check_validity_requirement::get_query_non_incr::__rust_end_short_backtrace
32: 0x7ff886d679d2 - <rustc_mir_transform[102926042b0adb92]::instsimplify::InstSimplify as rustc_middle[b0c4fd38174bce7e]::mir::MirPass>::run_pass
33: 0x7ff886b24fdd - rustc_mir_transform[102926042b0adb92]::pass_manager::run_passes
34: 0x7ff8871d39f7 - rustc_mir_transform[102926042b0adb92]::optimized_mir
35: 0x7ff885eb6800 - rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::optimized_mir::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 8usize]>>
36: 0x7ff885eb67c1 - <rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::optimized_mir::dynamic_query::{closure#2} as core[14419025a21183a1]::ops::function::FnOnce<(rustc_middle[b0c4fd38174bce7e]::ty::context::TyCtxt, rustc_span[a85072546ba3a5ab]::def_id::DefId)>>::call_once
37: 0x7ff885e3b1b5 - rustc_query_system[bd77d5a6524fb1ee]::query::plumbing::try_execute_query::<rustc_query_impl[9e9aac2bcfc5a39e]::DynamicConfig<rustc_query_system[bd77d5a6524fb1ee]::query::caches::DefaultCache<rustc_span[a85072546ba3a5ab]::def_id::DefId, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::QueryCtxt, false>
38: 0x7ff8876dc310 - rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::optimized_mir::get_query_non_incr::__rust_end_short_backtrace
39: 0x7ff8885777e7 - rustc_middle[b0c4fd38174bce7e]::query::plumbing::query_get_at::<rustc_query_system[bd77d5a6524fb1ee]::query::caches::DefaultCache<rustc_span[a85072546ba3a5ab]::def_id::DefId, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 8usize]>>>
40: 0x7ff88658bd6f - rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::unused_generic_params::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 4usize]>>
41: 0x7ff8866b3421 - rustc_query_system[bd77d5a6524fb1ee]::query::plumbing::try_execute_query::<rustc_query_impl[9e9aac2bcfc5a39e]::DynamicConfig<rustc_query_system[bd77d5a6524fb1ee]::query::caches::DefaultCache<rustc_middle[b0c4fd38174bce7e]::ty::instance::InstanceDef, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 4usize]>>, false, false, false>, rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::QueryCtxt, false>
42: 0x7ff8866b30c7 - rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::unused_generic_params::get_query_non_incr::__rust_end_short_backtrace
43: 0x7ff887222164 - <rustc_session[f4a3fd7c44936466]::session::Session>::time::<(), rustc_interface[effa57ef6cdf43c8]::passes::analysis::{closure#2}>
44: 0x7ff88721ee25 - rustc_interface[effa57ef6cdf43c8]::passes::analysis
45: 0x7ff887279d2a - rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 1usize]>>
46: 0x7ff887279d19 - <rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::analysis::dynamic_query::{closure#2} as core[14419025a21183a1]::ops::function::FnOnce<(rustc_middle[b0c4fd38174bce7e]::ty::context::TyCtxt, ())>>::call_once
47: 0x7ff88742aa08 - rustc_query_system[bd77d5a6524fb1ee]::query::plumbing::try_execute_query::<rustc_query_impl[9e9aac2bcfc5a39e]::DynamicConfig<rustc_query_system[bd77d5a6524fb1ee]::query::caches::SingleCache<rustc_middle[b0c4fd38174bce7e]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[9e9aac2bcfc5a39e]::plumbing::QueryCtxt, false>
48: 0x7ff88742a797 - rustc_query_impl[9e9aac2bcfc5a39e]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
49: 0x7ff8870057f5 - <rustc_middle[b0c4fd38174bce7e]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[4c3415319b4cba14]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>
50: 0x7ff887004e22 - <rustc_interface[effa57ef6cdf43c8]::interface::Compiler>::enter::<rustc_driver_impl[4c3415319b4cba14]::run_compiler::{closure#1}::{closure#2}, core[14419025a21183a1]::result::Result<core[14419025a21183a1]::option::Option<rustc_interface[effa57ef6cdf43c8]::queries::Linker>, rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>
51: 0x7ff886ffded8 - std[5080124dd0971100]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[effa57ef6cdf43c8]::util::run_in_thread_pool_with_globals<rustc_interface[effa57ef6cdf43c8]::interface::run_compiler<core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>, rustc_driver_impl[4c3415319b4cba14]::run_compiler::{closure#1}>::{closure#0}, core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>
52: 0x7ff886ffd65e - <<std[5080124dd0971100]::thread::Builder>::spawn_unchecked_<rustc_interface[effa57ef6cdf43c8]::util::run_in_thread_pool_with_globals<rustc_interface[effa57ef6cdf43c8]::interface::run_compiler<core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>, rustc_driver_impl[4c3415319b4cba14]::run_compiler::{closure#1}>::{closure#0}, core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[14419025a21183a1]::result::Result<(), rustc_span[a85072546ba3a5ab]::ErrorGuaranteed>>::{closure#1} as core[14419025a21183a1]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
53: 0x7ff884b70dc5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::heeee2b291a22389d
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/alloc/src/boxed.rs:2007:9
54: 0x7ff884b70dc5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb0196af3fff8f8b5
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/alloc/src/boxed.rs:2007:9
55: 0x7ff884b70dc5 - std::sys::unix::thread::Thread::new::thread_start::hbcdc2efff7ecdfed
at /rustc/500647fd8138cc09e87edb08d62f81654fbf6ef8/library/std/src/sys/unix/thread.rs:108:17
56: 0x7ff8848c944b - <unknown>
57: 0x7ff88494ce40 - <unknown>
58: 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: please attach the file at `/home/matthias/vcs/github/glacier2/pile/rustc-ice-2023-07-28T20:48:26.790849438Z-984211.txt` to your bug report
note: compiler flags: -Z strict-init-checks=yes -Z polymorphize=on -Z mir-opt-level=3
query stack during panic:
#0 [check_validity_requirement] checking validity requirement for `Wrap<&T>`: allows being left zeroed
#1 [optimized_mir] optimizing MIR for `generic`
#2 [unused_generic_params] determining which generic parameters are unused by `generic`
#3 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error; 7 warnings emitted