Closed
Description
auto-reduced (treereduce-rust):
#[cfg(not(any(all(target(i128::MIN, true)))))]
fn main() {}
original:
#[cfg(target(os = "linux"))] //~ ERROR compact `cfg(target(..))` is experimental
struct Foo(u64, f64)
#[cfg_attr(target(os = "linux"), non_exhaustive)] //~ ERROR compact `cfg(target(..))` is experimental
struct Bar(u64, u64);
#[cfg(not(any(all(target(i128::MIN, true)))))] //~ ERROR compact `cfg(target(..))` is experimental
fn foo() {}
fn main() {
let f: fn() -> Box<dyn Iterator<Item = u8>> = || Box::new(gen_fn());
assert_eq!(f().next(), Some(6));
}Version information
rustc 1.84.0-nightly (a0c2aba29 2024-10-15)
binary: rustc
commit-hash: a0c2aba29aa9ea50a7c45c3391dd446f856bef7b
commit-date: 2024-10-15
host: x86_64-unknown-linux-gnu
release: 1.84.0-nightly
LLVM version: 19.1.1
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0658]: compact `cfg(target(..))` is experimental and subject to change
--> /tmp/icemaker_global_tempdir.N28BKWiTeWPn/rustc_testrunner_tmpdir_reporting.DIs4hC4AtRX2/mvce.rs:1:19
|
1 | #[cfg(not(any(all(target(i128::MIN, true)))))]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #96901 <https://github.com/rust-lang/rust/issues/96901> for more information
= help: add `#![feature(cfg_target_compact)]` to the crate attributes to enable
= note: this compiler was built on 2024-10-15; consider upgrading it if it is out of date
error: `cfg` predicate key must be an identifier
--> /tmp/icemaker_global_tempdir.N28BKWiTeWPn/rustc_testrunner_tmpdir_reporting.DIs4hC4AtRX2/mvce.rs:1:26
|
1 | #[cfg(not(any(all(target(i128::MIN, true)))))]
| ^^^^^^^^^
thread 'rustc' panicked at compiler/rustc_attr/src/builtin.rs:726:53:
called `Option::unwrap()` on a `None` value
stack backtrace:
0: 0x75819c07377a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h390c6245de649a12
1: 0x75819c80398a - core::fmt::write::h866a31ba09394586
2: 0x75819dba6751 - std::io::Write::write_fmt::h1bd6164a2ca8262e
3: 0x75819c0735d2 - std::sys::backtrace::BacktraceLock::print::hd27dbf205e73f88a
4: 0x75819c075ab6 - std::panicking::default_hook::{{closure}}::h4f636451ba8b5ef6
5: 0x75819c075900 - std::panicking::default_hook::hd1b1a58948a85a4a
6: 0x75819b0f70af - std[358004a43e0a8d13]::panicking::update_hook::<alloc[578f5aba64ed82e]::boxed::Box<rustc_driver_impl[9beb6d2d9a098eaa]::install_ice_hook::{closure#0}>>::{closure#0}
7: 0x75819c0761c8 - std::panicking::rust_panic_with_hook::h00d0b0e0c911f9f5
8: 0x75819c075f66 - std::panicking::begin_panic_handler::{{closure}}::h3644c9bdaa1c5be2
9: 0x75819c073c29 - std::sys::backtrace::__rust_end_short_backtrace::h16b8efef09ea13d9
10: 0x75819c075c5c - rust_begin_unwind
11: 0x758199989900 - core::panicking::panic_fmt::hc97e9a3e5a0bc98b
12: 0x75819952df3c - core::panicking::panic::h2c426f91196b9622
13: 0x75819a0e3e89 - core::option::unwrap_failed::h6dfeef268bbac9af
14: 0x75819d3b3cda - rustc_attr[9996a2fd39e5e57]::builtin::eval_condition::<rustc_attr[9996a2fd39e5e57]::builtin::cfg_matches::{closure#0}>
15: 0x75819d3b3105 - rustc_attr[9996a2fd39e5e57]::builtin::eval_condition::<rustc_attr[9996a2fd39e5e57]::builtin::cfg_matches::{closure#0}>
16: 0x75819d3b3072 - rustc_attr[9996a2fd39e5e57]::builtin::eval_condition::<rustc_attr[9996a2fd39e5e57]::builtin::cfg_matches::{closure#0}>
17: 0x75819d3b2e69 - <rustc_expand[c8f989f3b47fb755]::config::StripUnconfigured>::cfg_true
18: 0x75819d024a86 - <rustc_expand[c8f989f3b47fb755]::expand::InvocationCollector as rustc_ast[f45b22bab05e21f3]::mut_visit::MutVisitor>::flat_map_item
19: 0x75819d023569 - <rustc_expand[c8f989f3b47fb755]::expand::InvocationCollector as rustc_ast[f45b22bab05e21f3]::mut_visit::MutVisitor>::visit_crate
20: 0x75819a7323d1 - <rustc_expand[c8f989f3b47fb755]::expand::MacroExpander>::collect_invocations
21: 0x758198b2a929 - <rustc_expand[c8f989f3b47fb755]::expand::MacroExpander>::fully_expand_fragment
22: 0x75819d9d854d - <rustc_expand[c8f989f3b47fb755]::expand::MacroExpander>::expand_crate
23: 0x75819cc4ed51 - rustc_interface[4f4330e0939c819]::passes::resolver_for_lowering_raw
24: 0x75819cc4e2db - rustc_query_impl[16736231d1f5ebef]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[16736231d1f5ebef]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2}::{closure#0}, rustc_middle[980f7e873ecf1275]::query::erase::Erased<[u8; 16usize]>>
25: 0x75819cc4e2c9 - <rustc_query_impl[16736231d1f5ebef]::query_impl::resolver_for_lowering_raw::dynamic_query::{closure#2} as core[9fbb0d406331042b]::ops::function::FnOnce<(rustc_middle[980f7e873ecf1275]::ty::context::TyCtxt, ())>>::call_once
26: 0x75819d703a06 - rustc_query_system[5473b42295b1a067]::query::plumbing::try_execute_query::<rustc_query_impl[16736231d1f5ebef]::DynamicConfig<rustc_query_system[5473b42295b1a067]::query::caches::SingleCache<rustc_middle[980f7e873ecf1275]::query::erase::Erased<[u8; 16usize]>>, false, false, false>, rustc_query_impl[16736231d1f5ebef]::plumbing::QueryCtxt, false>
27: 0x75819d7036a1 - rustc_query_impl[16736231d1f5ebef]::query_impl::resolver_for_lowering_raw::get_query_non_incr::__rust_end_short_backtrace
28: 0x75819d57cbd2 - rustc_interface[4f4330e0939c819]::interface::run_compiler::<core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>, rustc_driver_impl[9beb6d2d9a098eaa]::run_compiler::{closure#0}>::{closure#1}
29: 0x75819d618a14 - std[358004a43e0a8d13]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[4f4330e0939c819]::util::run_in_thread_with_globals<rustc_interface[4f4330e0939c819]::util::run_in_thread_pool_with_globals<rustc_interface[4f4330e0939c819]::interface::run_compiler<core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>, rustc_driver_impl[9beb6d2d9a098eaa]::run_compiler::{closure#0}>::{closure#1}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>::{closure#0}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>
30: 0x75819d618e28 - <<std[358004a43e0a8d13]::thread::Builder>::spawn_unchecked_<rustc_interface[4f4330e0939c819]::util::run_in_thread_with_globals<rustc_interface[4f4330e0939c819]::util::run_in_thread_pool_with_globals<rustc_interface[4f4330e0939c819]::interface::run_compiler<core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>, rustc_driver_impl[9beb6d2d9a098eaa]::run_compiler::{closure#0}>::{closure#1}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>::{closure#0}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9fbb0d406331042b]::result::Result<(), rustc_span[ce8abf2fafbd4049]::ErrorGuaranteed>>::{closure#1} as core[9fbb0d406331042b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
31: 0x75819d6198eb - std::sys::pal::unix::thread::Thread::new::thread_start::hf51e3212cfb0892f
32: 0x75819ee0739d - <unknown>
33: 0x75819ee8c49c - <unknown>
34: 0x0 - <unknown>
error: 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: please make sure that you have updated to the latest nightly
note: rustc 1.84.0-nightly (a0c2aba29 2024-10-15) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [resolver_for_lowering_raw] getting the resolver for lowering
end of query stack
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0658`.