ICE: parallel compiler: `no ImplicitCtxt stored in tls` #111522

matthiaskrgr · 2023-05-13T00:21:36Z

Code

You need parallel compiler config for this!
rustc -Zthreads=300 -Copt-level=3 --crate-type lib need to try a bunch of times

#![feature(generic_const_exprs)]

trait TensorDimension {
    const DIM: usize;
    const ISSCALAR: bool = Self::DIM == 0;
    fn is_scalar(&self) -> bool {
        Self::ISSCALAR
    }
}

trait TensorSize: TensorDimension {
    fn size(&self) -> [usize; Self::DIM];
    fn inbounds(&self, index: [usize; Self::DIM]) -> bool {
        index.iter().zip(self.size().iter()).all(|(i, s)| i < s)
    }
}

trait Broadcastable: TensorSize + Sized {
    type Element;
    fn bget(&self, index: [usize; Self::DIM]) -> Option<Self::Element>;
    fn lazy_updim<const NEWDIM: usize>(
        &self,
        size: [usize; NEWDIM],
    ) -> LazyUpdim<Self, { Self::DIM }, NEWDIM> {
        assert!(
            NEWDIM >= Self::DIM,
            "Updimmed tensor cannot have fewer indices than the initial one."
        ); // const generic bounds on nightly. ( )
        LazyUpdim {
            size,
            reference: &self,
        }
    }
    fn bmap<T, F: Fn(Self::Element) -> T>(&self, foo: F) -> BMap<T, Self, F, { Self::DIM }> {
        BMap {
            reference: self,
            closure: foo,
        }
    }
}

struct LazyUpdim<'a, T: Broadcastable, const OLDDIM: usize, const DIM: usize> {
    size: [usize; DIM],
    reference: &'a T,
}

impl<'a, T: Broadcastable, const DIM: usize> TensorDimension for LazyUpdim<'a, T, { T::DIM }, DIM> {
    const DIM: usize = DIM;
}
impl<'a, T: Broadcastable, const DIM: usize> TensorSize for LazyUpdim<'a, T, { T::DIM }, DIM> {
    fn size(&self) -> [usize; DIM] {
        self.size
    }
}
impl<'a, T: Broadcastable, const DIM: usize> Broadcastable for LazyUpdim<'a, T, { T::DIM }, DIM> {
    type Element = T::Element;
    fn bget(&self, index: [usize; DIM]) -> Option<Self::Element> {
        assert!(DIM >= T::DIM);
        if !self.inbounds(index) {
            return None;
        }
        let size = self.size();
        let newindex: [usize; T::DIM] = Default::default(); //array_init::array_init(|i| if size[i] > 1 {index[i]} else {0});
        self.reference.bget(newindex)
    }
}

struct BMap<'a, R, T: Broadcastable, F: Fn(T::Element) -> R, const DIM: usize> {
    reference: &'a T,
    closure: F,
}

impl<'a, R, T: Broadcastable, F: Fn(T::Element) -> R, const DIM: usize> TensorDimension
    for BMap<'a, R, T, F, DIM>
{
    const DIM: usize = DIM;
}
impl<'a, R, T: Broadcastable, F: Fn(T::Element) -> R, const DIM: usize> TensorSize
    for BMap<'a, R, T, F, DIM>
{
    fn size(&self) -> [usize; DIM] {
        self.reference.size()
    }
}
impl<'a, R, T: Broadcastable, F: Fn(T::Element) -> R, const DIM: usize> Broadcastable
    for BMap<'a, R, T, F, DIM>
{
    type Element = R;
    fn bget(&self, index: [usize; DIM]) -> Option<Self::Element> {
        self.reference.bget(index).map(&self.closure)
    }
}

impl<T> TensorDimension for Vec<T> {
    const DIM: usize = 1;
}
impl<T> TensorSize for Vec<T> {
    fn size(&self) -> [usize; 1] {
        [self.len()]
    }
}
impl<T: Clone> Broadcastable for Vec<T> {
    type Element = T;
    fn bget(&self, index: [usize; 1]) -> Option<T> {
        self.get(index[0]).cloned()
    }
}

fn main() {
    let v = vec![1, 2, 3];
    let bv = v.lazy_updim([3, 4]);
    let bbv = bv.bmap(|x| x * x);

    println!(
        "The size of v is {:?}",
        bbv.bget([0, 2]).expect("Out of bounds.")
    );
}

Error output

<output>

Backtrace

thread 'rustc' panicked at 'no ImplicitCtxt stored in tls', /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:50
stack backtrace:
   0:     0x7f884470abf6 - std::backtrace_rs::backtrace::libunwind::trace::h74804ffdd8fa53e7
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f884470abf6 - std::backtrace_rs::backtrace::trace_unsynchronized::h7428ab2b67b36e0c
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f884470abf6 - std::sys_common::backtrace::_print_fmt::h8de225fa5d864a16
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f884470abf6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf186862c319ab6b0
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f88447af698 - core::fmt::rt::Argument::fmt::h6eb98e918eb80ebd
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:138:9
   5:     0x7f88447af698 - core::fmt::write::hfa7c5695b2a1784c
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1094:21
   6:     0x7f88447151bf - std::io::Write::write_fmt::h8780fc8b700f7b89
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1712:15
   7:     0x7f884470a9f5 - std::sys_common::backtrace::_print::h4ce540e460b36e22
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f884470a9f5 - std::sys_common::backtrace::print::h6954c2242c47d1db
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f884472bebc - std::panicking::default_hook::{{closure}}::h7efa3c73d7318a2f
  10:     0x7f884472bb92 - std::panicking::default_hook::h478ef42d51f84426
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:288:9
  11:     0x7f88470fe63b - <alloc[32b43e9536c01a3]::boxed::Box<dyn for<'a, 'b> core[c5d5d662f7508502]::ops::function::Fn<(&'a core[c5d5d662f7508502]::panic::panic_info::PanicInfo<'b>,), Output = ()> + core[c5d5d662f7508502]::marker::Send + core[c5d5d662f7508502]::marker::Sync> as core[c5d5d662f7508502]::ops::function::Fn<(&core[c5d5d662f7508502]::panic::panic_info::PanicInfo,)>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
  12:     0x7f88470fe63b - rustc_driver_impl[fa47bdc6a12b5fac]::install_ice_hook::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1258:13
  13:     0x7f884472c75a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hfea6944ca11513b1
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
  14:     0x7f884472c75a - std::panicking::rust_panic_with_hook::h3d7c73761f67633f
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:695:13
  15:     0x7f884470bae7 - std::panicking::begin_panic_handler::{{closure}}::h0004dd01860b01c3
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:582:13
  16:     0x7f884470acd6 - std::sys_common::backtrace::__rust_end_short_backtrace::hccbfe31830e0f553
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:150:18
  17:     0x7f884472c2c2 - rust_begin_unwind
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:578:5
  18:     0x7f88447cb363 - core::panicking::panic_fmt::h98b1dd38c1edb68b
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:67:14
  19:     0x7f88447bd073 - core::panicking::panic_display::hed6a1164bcb513aa
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:150:5
  20:     0x7f88447bd073 - core::panicking::panic_str::h54a430d11762606f
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:134:5
  21:     0x7f88447bd073 - core::option::expect_failed::hb55c9d6138654180
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/option.rs:1932:5
  22:     0x7f8847152ab7 - <core[c5d5d662f7508502]::option::Option<&rustc_middle[d62e0ab363fca640]::ty::context::tls::ImplicitCtxt>>::expect
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/option.rs:898:21
  23:     0x7f8847152ab7 - rustc_middle[d62e0ab363fca640]::ty::context::tls::with_context::<rustc_middle[d62e0ab363fca640]::ty::context::tls::with<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#1}::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:50
  24:     0x7f8847152ab7 - rustc_middle[d62e0ab363fca640]::ty::context::tls::with_context_opt::<rustc_middle[d62e0ab363fca640]::ty::context::tls::with_context<rustc_middle[d62e0ab363fca640]::ty::context::tls::with<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#1}::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:94:9
  25:     0x7f8847152ab7 - rustc_middle[d62e0ab363fca640]::ty::context::tls::with_context::<rustc_middle[d62e0ab363fca640]::ty::context::tls::with<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#1}::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:111:5
  26:     0x7f8847152ab7 - rustc_middle[d62e0ab363fca640]::ty::context::tls::with::<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#1}::{closure#0}, std[68c29493de10bea]::collections::hash::map::HashMap<rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobId, rustc_query_system[8ee2d68ce6f1a061]::query::job::QueryJobInfo<rustc_middle[d62e0ab363fca640]::dep_graph::dep_node::DepKind>, core[c5d5d662f7508502]::hash::BuildHasherDefault<rustc_hash[28a8ba682f75ebb]::FxHasher>>>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:144:5
  27:     0x7f8847152ab7 - rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals::<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:185:29
  28:     0x7f884636f0e3 - <alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::Fn<(), Output = ()> + core[c5d5d662f7508502]::marker::Send + core[c5d5d662f7508502]::marker::Sync> as core[c5d5d662f7508502]::ops::function::Fn<()>>::call
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1999:9
  29:     0x7f884636f0e3 - <rayon_core[f08dc397f011bb28]::sleep::SleepData>::deadlock_check
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/sleep/mod.rs:37:13
  30:     0x7f884636f0e3 - <rayon_core[f08dc397f011bb28]::sleep::Sleep>::sleep
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/sleep/mod.rs:273:17
  31:     0x7f88463677b1 - <rayon_core[f08dc397f011bb28]::sleep::Sleep>::no_work_found
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/sleep/mod.rs:178:13
  32:     0x7f88463677b1 - <rayon_core[f08dc397f011bb28]::registry::WorkerThread>::wait_until_cold
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/registry.rs:865:17
  33:     0x7f8846364afd - <rayon_core[f08dc397f011bb28]::registry::WorkerThread>::wait_until::<rayon_core[f08dc397f011bb28]::latch::CountLatch>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/registry.rs:845:13
  34:     0x7f8846364afd - rayon_core[f08dc397f011bb28]::registry::main_loop
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/registry.rs:991:5
  35:     0x7f8846364afd - <rayon_core[f08dc397f011bb28]::registry::ThreadBuilder>::run
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/registry.rs:55:18
  36:     0x7f88470932e4 - rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals::<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:210:82
  37:     0x7f88470932e4 - <scoped_tls[c6512a5451dfceef]::ScopedKey<rustc_span[9849ed9ca8d6c267]::SessionGlobals>>::set::<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}::{closure#0}, ()>
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/scoped-tls-1.0.0/src/lib.rs:137:9
  38:     0x7f884708e628 - rustc_span[9849ed9ca8d6c267]::set_session_globals_then::<(), rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}::{closure#0}>
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_span/src/lib.rs:129:5
  39:     0x7f884708e628 - rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals::<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/compiler/rustc_interface/src/util.rs:210:25
  40:     0x7f884708e628 - <rayon_core[f08dc397f011bb28]::ThreadPoolBuilder>::build_scoped::<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}, rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#1}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/rustc-rayon-core-0.5.0/src/lib.rs:363:44
  41:     0x7f884708e628 - <crossbeam_utils[2907d21727e848bc]::thread::ScopedThreadBuilder>::spawn::<<rayon_core[f08dc397f011bb28]::ThreadPoolBuilder>::build_scoped<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}, rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#1}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0}
                               at /home/matthias/.cargo/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.14/src/thread.rs:438:31
  42:     0x7f884708e628 - <<crossbeam_utils[2907d21727e848bc]::thread::ScopedThreadBuilder>::spawn<<rayon_core[f08dc397f011bb28]::ThreadPoolBuilder>::build_scoped<rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#0}, rustc_interface[f00717bbd5e2d5b3]::util::run_in_thread_pool_with_globals<rustc_interface[f00717bbd5e2d5b3]::interface::run_compiler<core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>, rustc_driver_impl[fa47bdc6a12b5fac]::run_compiler::{closure#1}>::{closure#0}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#2}::{closure#0}::{closure#1}, core[c5d5d662f7508502]::result::Result<(), rustc_span[9849ed9ca8d6c267]::ErrorGuaranteed>>::{closure#0}::{closure#0}::{closure#0}, ()>::{closure#0} as core[c5d5d662f7508502]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  43:     0x7f8847144f1e - <alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send> as core[c5d5d662f7508502]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
  44:     0x7f8847144f1e - std[68c29493de10bea]::sys_common::backtrace::__rust_begin_short_backtrace::<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys_common/backtrace.rs:134:18
  45:     0x7f88470ee37f - <std[68c29493de10bea]::thread::Builder>::spawn_unchecked_::<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}::{closure#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:529:17
  46:     0x7f88470ee37f - <core[c5d5d662f7508502]::panic::unwind_safe::AssertUnwindSafe<<std[68c29493de10bea]::thread::Builder>::spawn_unchecked_<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}::{closure#0}> as core[c5d5d662f7508502]::ops::function::FnOnce<()>>::call_once
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/panic/unwind_safe.rs:271:9
  47:     0x7f88470ee37f - std[68c29493de10bea]::panicking::try::do_call::<core[c5d5d662f7508502]::panic::unwind_safe::AssertUnwindSafe<<std[68c29493de10bea]::thread::Builder>::spawn_unchecked_<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}::{closure#0}>, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:485:40
  48:     0x7f88470ee37f - std[68c29493de10bea]::panicking::try::<(), core[c5d5d662f7508502]::panic::unwind_safe::AssertUnwindSafe<<std[68c29493de10bea]::thread::Builder>::spawn_unchecked_<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}::{closure#0}>>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:449:19
  49:     0x7f88470ee37f - std[68c29493de10bea]::panic::catch_unwind::<core[c5d5d662f7508502]::panic::unwind_safe::AssertUnwindSafe<<std[68c29493de10bea]::thread::Builder>::spawn_unchecked_<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}::{closure#0}>, ()>
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/panic.rs:140:14
  50:     0x7f88470ee37f - <std[68c29493de10bea]::thread::Builder>::spawn_unchecked_::<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:528:30
  51:     0x7f88470ee37f - <<std[68c29493de10bea]::thread::Builder>::spawn_unchecked_<alloc[32b43e9536c01a3]::boxed::Box<dyn core[c5d5d662f7508502]::ops::function::FnOnce<(), Output = ()> + core[c5d5d662f7508502]::marker::Send>, ()>::{closure#1} as core[c5d5d662f7508502]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
                               at /home/matthias/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5
  52:     0x7f884471d69a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h59b61553bfddebc8
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
  53:     0x7f884471d69a - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h0ce3d7a7bade6491
                               at /home/matthias/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1985:9
  54:     0x7f8844703b15 - std::sys::unix::thread::Thread::new::thread_start::h6e446945f062d041
                               at /home/matthias/vcs/github/rust_debug_assertions/library/std/src/sys/unix/thread.rs:108:17
  55:     0x7f88444a6bb5 - <unknown>
  56:     0x7f8844528d90 - <unknown>
  57:                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: rustc 1.71.0-dev running on x86_64-unknown-linux-gnu

note: compiler flags: -Z threads=300 -C opt-level=3 --crate-type lib

query stack during panic:
end of query stack
Rayon: detected unexpected panic; aborting
[1]    1645655 IOT instruction  ~/.rustup/toolchains/local-debug-assertions/bin/rustc -Zthreads=300    lib

The text was updated successfully, but these errors were encountered:

matthiaskrgr · 2023-05-13T00:49:24Z

use std::collections::BTreeSet;

#[derive(Hash)]
pub enum ElemDerived {
    A(ElemDerived)
}

pub enum Elem {
    Derived(ElemDerived)
}

pub struct Set(BTreeSet<Elem>);

impl Set {
    pub fn into_iter(self) -> impl Iterator<Item = Elem> {
        self.0.into_iter()
    }
}

fn main() {}

petrochenkov · 2024-01-05T23:34:22Z

This issue usually prevents running the standard library test suite with -Zthreads=8.
One test fails in particular - library\alloc\src\boxed.rs - boxed (line 43).

SparrowLii mentioned this issue Jul 5, 2023

Tracking Issue for Parallel Rustc Front-end #113349

Open

28 tasks

Zoxc mentioned this issue Aug 25, 2023

Add a CurrentGcx type to let the deadlock handler access TyCtxt #115220

Merged

nnethercote mentioned this issue Nov 6, 2023

Add parallel-rustc blog post. rust-lang/blog.rust-lang.org#1164

Merged

nnethercote changed the title ~~ICE: parallel compiler: no ImplicitCtxt stored in tls'~~ ICE: parallel compiler: no ImplicitCtxt stored in tls Nov 8, 2023

aumetra mentioned this issue Nov 11, 2023

no ImplicitCtxt stored in tls when using -Zthreads=8 #117785

Closed

SparrowLii mentioned this issue Feb 5, 2024

Add parallel rustc ui tests #120664

Merged

bors closed this as completed in c5e7f45 Mar 28, 2024

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ICE: parallel compiler: `no ImplicitCtxt stored in tls` #111522

ICE: parallel compiler: `no ImplicitCtxt stored in tls` #111522

matthiaskrgr commented May 13, 2023

matthiaskrgr commented May 13, 2023

petrochenkov commented Jan 5, 2024

ICE: parallel compiler: no ImplicitCtxt stored in tls #111522

ICE: parallel compiler: no ImplicitCtxt stored in tls #111522

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matthiaskrgr commented May 13, 2023

Code

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Error output

matthiaskrgr commented May 13, 2023

petrochenkov commented Jan 5, 2024

ICE: parallel compiler: `no ImplicitCtxt stored in tls` #111522

ICE: parallel compiler: `no ImplicitCtxt stored in tls` #111522