Closed
Description
Code
#[repr(C)]
pub struct dispatch_object_s { _private: [u8; 0] }
extern {
static _dispatch_queue_attr_concurrent: dispatch_object_s;
}
pub static DISPATCH_QUEUE_CONCURRENT: &'static dispatch_object_s = unsafe { &_dispatch_queue_attr_concurrent };
Meta
rustc --version --verbose
:
rustc 1.42.0 (b8cedc004 2020-03-09)
binary: rustc
commit-hash: b8cedc00407a4c56a3bda1ed605c6fc166655447
commit-date: 2020-03-09
host: x86_64-apple-darwin
release: 1.42.0
LLVM version: 9.0
Error output
error: internal compiler error: src/librustc_mir/interpret/validity.rs:396: Unexpected error during ptr inbounds test: cannot read from foreign (extern) static DefId(0:7 ~ playground[ae9d]::[0]::_dispatch_queue_attr_concurrent[0])
thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:907:9
Backtrace
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print_fmt
at src/libstd/sys_common/backtrace.rs:78
3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
at src/libstd/sys_common/backtrace.rs:59
4: core::fmt::write
at src/libcore/fmt/mod.rs:1069
5: std::io::Write::write_fmt
at src/libstd/io/mod.rs:1532
6: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:62
7: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:49
8: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:198
9: std::panicking::default_hook
at src/libstd/panicking.rs:218
10: rustc_driver::report_ice
11: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:481
12: std::panicking::begin_panic
13: rustc_errors::HandlerInner::bug
14: rustc_errors::Handler::bug
15: rustc_middle::util::bug::opt_span_bug_fmt::{{closure}}
16: rustc_middle::ty::context::tls::with_opt::{{closure}}
17: rustc_middle::ty::context::tls::with_opt
18: rustc_middle::util::bug::opt_span_bug_fmt
19: rustc_middle::util::bug::bug_fmt
20: rustc_mir::interpret::validity::ValidityVisitor<M>::check_safe_pointer
21: rustc_mir::interpret::validity::ValidityVisitor<M>::try_visit_primitive
22: rustc_mir::interpret::validity::<impl rustc_mir::interpret::eval_context::InterpCx<M>>::validate_operand_internal
23: rustc_mir::const_eval::eval_queries::const_eval_validated_provider
24: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::const_eval_validated>::compute
25: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
26: rustc_query_system::query::plumbing::get_query_impl
27: rustc_mir::const_eval::eval_queries::const_eval_validated_provider
28: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::const_eval_validated>::compute
29: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
30: rustc_query_system::query::plumbing::get_query_impl
31: rustc_middle::mir::interpret::queries::<impl rustc_middle::ty::context::TyCtxt>::const_eval_global_id
32: rustc_middle::mir::interpret::queries::<impl rustc_middle::ty::context::TyCtxt>::const_eval_poly
33: <rustc_lint::BuiltinCombinedLateLintPass as rustc_lint::passes::LateLintPass>::check_item
34: rustc_hir::intravisit::Visitor::visit_nested_item
35: rustc_hir::intravisit::walk_crate
36: rustc_lint::late::late_lint_crate
37: rustc_data_structures::sync::join
38: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
39: rustc_session::utils::<impl rustc_session::session::Session>::time
40: rustc_interface::passes::analysis
41: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::analysis>::compute
42: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
43: rustc_query_system::query::plumbing::get_query_impl
44: rustc_middle::ty::context::tls::enter_global
45: rustc_interface::interface::run_compiler_in_existing_thread_pool
46: scoped_tls::ScopedKey<T>::set
47: rustc_ast::attr::with_globals
Metadata
Metadata
Assignees
Labels
Area: Constant evaluation, covers all const contexts (static, const fn, ...)Category: This is a bug.Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Relevant to the compiler team, which will review and decide on the PR/issue.Performance or correctness regression from stable to nightly.