Closed
Description
Code
#![feature(const_closures)]
#![feature(const_trait_impl)]
#![allow(incomplete_features)]
/// This won't work since doc tests are in a different crate
/// ```rust
/// const _:() = playground::test();
/// ```
pub const fn test() {
let cl = const || {};
cl();
}
const _: () = {
// Works in this crate
test();
};
playground link need to use test, since the error happens in the doc-test.
Affected release channels
- Previous Stable
- Current Stable
- Current Beta
- Current Nightly
Rust Version
$ rustc --version --verbose
rustc 1.68.0-nightly (afaf3e07a 2023-01-14)
binary: rustc
commit-hash: afaf3e07aaa7ca9873bdb439caec53faffa4230c
commit-date: 2023-01-14
host: x86_64-unknown-linux-gnu
release: 1.68.0-nightly
LLVM version: 15.0.6
Current error output
No response
Backtrace
$ RUST_BACKTRACE=full cargo build
Compiling consumer v0.1.0 (/home/chrisi/Documents/code/rust/const_cl_issue/consumer)
error: internal compiler error: compiler/rustc_const_eval/src/const_eval/machine.rs:390:21: trying to call extern function `test_fn::{closure#0}` at compile-time
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/compiler/rustc_errors/src/lib.rs:1609:9
stack backtrace:
0: 0x7f0a0611061a - std::backtrace_rs::backtrace::libunwind::trace::h512c3d4bd0b3a708
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f0a0611061a - std::backtrace_rs::backtrace::trace_unsynchronized::hc58f6705328449a6
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f0a0611061a - std::sys_common::backtrace::_print_fmt::hf8534206357dc715
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7f0a0611061a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9ef691964aca459c
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f0a061738fe - core::fmt::write::h251b0a546065b34e
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/core/src/fmt/mod.rs:1213:17
5: 0x7f0a06100af5 - std::io::Write::write_fmt::h08e6d5def8fea0af
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/io/mod.rs:1682:15
6: 0x7f0a061103e5 - std::sys_common::backtrace::_print::h9a33e0b3ebce7bc7
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/sys_common/backtrace.rs:47:5
7: 0x7f0a061103e5 - std::sys_common::backtrace::print::hdece45cc6662dd34
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/sys_common/backtrace.rs:34:9
8: 0x7f0a061131af - std::panicking::default_hook::{{closure}}::ha9e20da088770535
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/panicking.rs:267:22
9: 0x7f0a06112eeb - std::panicking::default_hook::hb2daa88547715b30
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/panicking.rs:286:9
10: 0x7f0a04eb4ce4 - rustc_driver[71f72b4b3e1e11ff]::DEFAULT_HOOK::{closure#0}::{closure#0}
11: 0x7f0a061139ed - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h36ace50e589d0416
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/alloc/src/boxed.rs:2002:9
12: 0x7f0a061139ed - std::panicking::rust_panic_with_hook::h75369ab7cb2d9b4d
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/panicking.rs:692:13
13: 0x7f0a0541c3b1 - std[66e97b1d17fb0e75]::panicking::begin_panic::<rustc_errors[cf02776e207fbd3f]::ExplicitBug>::{closure#0}
14: 0x7f0a054162e6 - std[66e97b1d17fb0e75]::sys_common::backtrace::__rust_end_short_backtrace::<std[66e97b1d17fb0e75]::panicking::begin_panic<rustc_errors[cf02776e207fbd3f]::ExplicitBug>::{closure#0}, !>
15: 0x7f0a0547c2c6 - std[66e97b1d17fb0e75]::panicking::begin_panic::<rustc_errors[cf02776e207fbd3f]::ExplicitBug>
16: 0x7f0a054162d6 - std[66e97b1d17fb0e75]::panic::panic_any::<rustc_errors[cf02776e207fbd3f]::ExplicitBug>
17: 0x7f0a05412a36 - <rustc_errors[cf02776e207fbd3f]::HandlerInner>::bug::<&alloc[f4dba013d20c809a]::string::String>
18: 0x7f0a05412680 - <rustc_errors[cf02776e207fbd3f]::Handler>::bug::<&alloc[f4dba013d20c809a]::string::String>
19: 0x7f0a0544d2eb - rustc_middle[79283db49f8d0427]::util::bug::opt_span_bug_fmt::<rustc_span[9ef8f4f647bbaee9]::span_encoding::Span>::{closure#0}
20: 0x7f0a0544acea - rustc_middle[79283db49f8d0427]::ty::context::tls::with_opt::<rustc_middle[79283db49f8d0427]::util::bug::opt_span_bug_fmt<rustc_span[9ef8f4f647bbaee9]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7f0a0544acba - rustc_middle[79283db49f8d0427]::ty::context::tls::with_context_opt::<rustc_middle[79283db49f8d0427]::ty::context::tls::with_opt<rustc_middle[79283db49f8d0427]::util::bug::opt_span_bug_fmt<rustc_span[9ef8f4f647bbaee9]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7f0a0544d236 - rustc_middle[79283db49f8d0427]::util::bug::opt_span_bug_fmt::<rustc_span[9ef8f4f647bbaee9]::span_encoding::Span>
23: 0x7f0a03043083 - rustc_middle[79283db49f8d0427]::util::bug::bug_fmt
24: 0x7f0a034cc151 - <rustc_const_eval[774bc52dbb2f1b86]::const_eval::machine::CompileTimeInterpreter as rustc_const_eval[774bc52dbb2f1b86]::interpret::machine::Machine>::find_mir_or_eval_fn
25: 0x7f0a034c41e2 - <rustc_const_eval[774bc52dbb2f1b86]::interpret::eval_context::InterpCx<rustc_const_eval[774bc52dbb2f1b86]::const_eval::machine::CompileTimeInterpreter>>::eval_fn_call
26: 0x7f0a034b8a22 - <rustc_const_eval[774bc52dbb2f1b86]::interpret::eval_context::InterpCx<rustc_const_eval[774bc52dbb2f1b86]::const_eval::machine::CompileTimeInterpreter>>::terminator
27: 0x7f0a033fbbd5 - rustc_const_eval[774bc52dbb2f1b86]::const_eval::eval_queries::eval_to_allocation_raw_provider
28: 0x7f0a04289d26 - <rustc_query_system[8bbb8596efba34ee]::dep_graph::graph::DepGraph<rustc_middle[79283db49f8d0427]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[79283db49f8d0427]::ty::context::TyCtxt, rustc_middle[79283db49f8d0427]::ty::ParamEnvAnd<rustc_middle[79283db49f8d0427]::mir::interpret::GlobalId>, core[4626b71cbccee52c]::result::Result<rustc_middle[79283db49f8d0427]::mir::interpret::value::ConstAlloc, rustc_middle[79283db49f8d0427]::mir::interpret::error::ErrorHandled>>
29: 0x7f0a04288d23 - rustc_query_system[8bbb8596efba34ee]::query::plumbing::try_execute_query::<rustc_query_impl[a507f0846b381d35]::queries::eval_to_allocation_raw, rustc_query_impl[a507f0846b381d35]::plumbing::QueryCtxt>
30: 0x7f0a0489f670 - <rustc_query_impl[a507f0846b381d35]::Queries as rustc_middle[79283db49f8d0427]::ty::query::QueryEngine>::eval_to_allocation_raw
31: 0x7f0a033faf2c - rustc_const_eval[774bc52dbb2f1b86]::const_eval::eval_queries::eval_to_allocation_raw_provider
32: 0x7f0a04289d26 - <rustc_query_system[8bbb8596efba34ee]::dep_graph::graph::DepGraph<rustc_middle[79283db49f8d0427]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[79283db49f8d0427]::ty::context::TyCtxt, rustc_middle[79283db49f8d0427]::ty::ParamEnvAnd<rustc_middle[79283db49f8d0427]::mir::interpret::GlobalId>, core[4626b71cbccee52c]::result::Result<rustc_middle[79283db49f8d0427]::mir::interpret::value::ConstAlloc, rustc_middle[79283db49f8d0427]::mir::interpret::error::ErrorHandled>>
33: 0x7f0a04288d23 - rustc_query_system[8bbb8596efba34ee]::query::plumbing::try_execute_query::<rustc_query_impl[a507f0846b381d35]::queries::eval_to_allocation_raw, rustc_query_impl[a507f0846b381d35]::plumbing::QueryCtxt>
34: 0x7f0a0489f670 - <rustc_query_impl[a507f0846b381d35]::Queries as rustc_middle[79283db49f8d0427]::ty::query::QueryEngine>::eval_to_allocation_raw
35: 0x7f0a03d5ff6c - <rustc_const_eval[774bc52dbb2f1b86]::interpret::eval_context::InterpCx<rustc_mir_transform[db8c52948a9fa609]::const_prop::ConstPropMachine>>::eval_mir_constant
36: 0x7f0a03cdd131 - <rustc_const_eval[774bc52dbb2f1b86]::interpret::eval_context::InterpCx<rustc_mir_transform[db8c52948a9fa609]::const_prop::ConstPropMachine>>::eval_rvalue_into_place
37: 0x7f0a03d5c272 - <rustc_mir_transform[db8c52948a9fa609]::const_prop_lint::ConstPropagator as rustc_middle[79283db49f8d0427]::mir::visit::Visitor>::visit_body
38: 0x7f0a03d52943 - <rustc_mir_transform[db8c52948a9fa609]::const_prop_lint::ConstProp as rustc_mir_transform[db8c52948a9fa609]::pass_manager::MirLint>::run_lint
39: 0x7f0a04269c1d - rustc_mir_transform[db8c52948a9fa609]::run_analysis_to_runtime_passes
40: 0x7f0a04268406 - rustc_mir_transform[db8c52948a9fa609]::mir_drops_elaborated_and_const_checked
41: 0x7f0a03d4e6fb - <rustc_query_system[8bbb8596efba34ee]::dep_graph::graph::DepGraph<rustc_middle[79283db49f8d0427]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[79283db49f8d0427]::ty::context::TyCtxt, rustc_middle[79283db49f8d0427]::ty::WithOptConstParam<rustc_span[9ef8f4f647bbaee9]::def_id::LocalDefId>, &rustc_data_structures[402a9ad1e9c84e53]::steal::Steal<rustc_middle[79283db49f8d0427]::mir::Body>>
42: 0x7f0a04267258 - rustc_query_system[8bbb8596efba34ee]::query::plumbing::try_execute_query::<rustc_query_impl[a507f0846b381d35]::queries::mir_drops_elaborated_and_const_checked, rustc_query_impl[a507f0846b381d35]::plumbing::QueryCtxt>
43: 0x7f0a0375146c - rustc_mir_transform[db8c52948a9fa609]::optimized_mir
44: 0x7f0a0374775d - <rustc_query_system[8bbb8596efba34ee]::dep_graph::graph::DepGraph<rustc_middle[79283db49f8d0427]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[79283db49f8d0427]::ty::context::TyCtxt, rustc_span[9ef8f4f647bbaee9]::def_id::DefId, &rustc_middle[79283db49f8d0427]::mir::Body>
45: 0x7f0a036dcb66 - rustc_query_system[8bbb8596efba34ee]::query::plumbing::try_execute_query::<rustc_query_impl[a507f0846b381d35]::queries::optimized_mir, rustc_query_impl[a507f0846b381d35]::plumbing::QueryCtxt>
46: 0x7f0a03ea4d7d - rustc_monomorphize[13e2005bf235e5f5]::collector::collect_neighbours
47: 0x7f0a03ea0ca8 - rustc_monomorphize[13e2005bf235e5f5]::collector::collect_items_rec
48: 0x7f0a0430a8bc - <rustc_session[7f238e9ee75769b4]::session::Session>::time::<(), rustc_monomorphize[13e2005bf235e5f5]::collector::collect_crate_mono_items::{closure#1}>
49: 0x7f0a0430a3f4 - rustc_monomorphize[13e2005bf235e5f5]::collector::collect_crate_mono_items
50: 0x7f0a04308803 - rustc_monomorphize[13e2005bf235e5f5]::partitioning::collect_and_partition_mono_items
51: 0x7f0a04665309 - <rustc_query_system[8bbb8596efba34ee]::dep_graph::graph::DepGraph<rustc_middle[79283db49f8d0427]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[79283db49f8d0427]::ty::context::TyCtxt, (), (&std[66e97b1d17fb0e75]::collections::hash::set::HashSet<rustc_span[9ef8f4f647bbaee9]::def_id::DefId, core[4626b71cbccee52c]::hash::BuildHasherDefault<rustc_hash[6f43d7456684e806]::FxHasher>>, &[rustc_middle[79283db49f8d0427]::mir::mono::CodegenUnit])>
52: 0x7f0a0466474e - rustc_query_system[8bbb8596efba34ee]::query::plumbing::try_execute_query::<rustc_query_impl[a507f0846b381d35]::queries::collect_and_partition_mono_items, rustc_query_impl[a507f0846b381d35]::plumbing::QueryCtxt>
53: 0x7f0a048a6802 - <rustc_query_impl[a507f0846b381d35]::Queries as rustc_middle[79283db49f8d0427]::ty::query::QueryEngine>::collect_and_partition_mono_items
54: 0x7f0a0437b83b - rustc_codegen_ssa[f6691ac6a032f9a0]::base::codegen_crate::<rustc_codegen_llvm[6c136c92f7b9054c]::LlvmCodegenBackend>
55: 0x7f0a0437b5de - <rustc_codegen_llvm[6c136c92f7b9054c]::LlvmCodegenBackend as rustc_codegen_ssa[f6691ac6a032f9a0]::traits::backend::CodegenBackend>::codegen_crate
56: 0x7f0a04120b21 - <rustc_session[7f238e9ee75769b4]::session::Session>::time::<alloc[f4dba013d20c809a]::boxed::Box<dyn core[4626b71cbccee52c]::any::Any>, rustc_interface[6094113d29eb86e9]::passes::start_codegen::{closure#0}>
57: 0x7f0a04120649 - rustc_interface[6094113d29eb86e9]::passes::start_codegen
58: 0x7f0a0411e712 - <rustc_interface[6094113d29eb86e9]::passes::QueryContext>::enter::<<rustc_interface[6094113d29eb86e9]::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core[4626b71cbccee52c]::result::Result<alloc[f4dba013d20c809a]::boxed::Box<dyn core[4626b71cbccee52c]::any::Any>, rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>
59: 0x7f0a0411b69d - <rustc_interface[6094113d29eb86e9]::queries::Queries>::ongoing_codegen
60: 0x7f0a0411ac9c - <rustc_interface[6094113d29eb86e9]::interface::Compiler>::enter::<rustc_driver[71f72b4b3e1e11ff]::run_compiler::{closure#1}::{closure#2}, core[4626b71cbccee52c]::result::Result<core[4626b71cbccee52c]::option::Option<rustc_interface[6094113d29eb86e9]::queries::Linker>, rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>
61: 0x7f0a04118ad8 - rustc_span[9ef8f4f647bbaee9]::with_source_map::<core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>, rustc_interface[6094113d29eb86e9]::interface::run_compiler<core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>, rustc_driver[71f72b4b3e1e11ff]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
62: 0x7f0a041185b1 - <scoped_tls[ee0e75462fb264d1]::ScopedKey<rustc_span[9ef8f4f647bbaee9]::SessionGlobals>>::set::<rustc_interface[6094113d29eb86e9]::interface::run_compiler<core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>, rustc_driver[71f72b4b3e1e11ff]::run_compiler::{closure#1}>::{closure#0}, core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>
63: 0x7f0a04117b82 - std[66e97b1d17fb0e75]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[6094113d29eb86e9]::util::run_in_thread_pool_with_globals<rustc_interface[6094113d29eb86e9]::interface::run_compiler<core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>, rustc_driver[71f72b4b3e1e11ff]::run_compiler::{closure#1}>::{closure#0}, core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>
64: 0x7f0a0411792c - <<std[66e97b1d17fb0e75]::thread::Builder>::spawn_unchecked_<rustc_interface[6094113d29eb86e9]::util::run_in_thread_pool_with_globals<rustc_interface[6094113d29eb86e9]::interface::run_compiler<core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>, rustc_driver[71f72b4b3e1e11ff]::run_compiler::{closure#1}>::{closure#0}, core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[4626b71cbccee52c]::result::Result<(), rustc_errors[cf02776e207fbd3f]::ErrorGuaranteed>>::{closure#1} as core[4626b71cbccee52c]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
65: 0x7f0a0611de23 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h91fb73deba780d71
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/alloc/src/boxed.rs:1988:9
66: 0x7f0a0611de23 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h185b9ab8f9b92912
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/alloc/src/boxed.rs:1988:9
67: 0x7f0a0611de23 - std::sys::unix::thread::Thread::new::thread_start::heddafa74acd4c9d3
at /rustc/afaf3e07aaa7ca9873bdb439caec53faffa4230c/library/std/src/sys/unix/thread.rs:108:17
68: 0x7f0a01aae12d - start_thread
69: 0x7f0a01b2fbc0 - clone3
70: 0x0 - <unknown>
note: the compiler unexpectedly panicked. this is a bug.
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 1.68.0-nightly (afaf3e07a 2023-01-14) running on x86_64-unknown-linux-gnu
note: compiler flags: --crate-type bin -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [eval_to_allocation_raw] const-evaluating + checking `main::{constant#0}`
#1 [eval_to_allocation_raw] const-evaluating + checking `main::{constant#0}`
#2 [mir_drops_elaborated_and_const_checked] elaborating drops for `main`
#3 [optimized_mir] optimizing MIR for `main`
#4 [collect_and_partition_mono_items] collect_and_partition_mono_items
end of query stack
error: could not compile `consumer`
Anything else?
This occures if you call a function that uses const_closures from another crate.
cc @fee1-dead