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ice: assertion failed: constant / lifetime with effects and try_trait #119717

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matthiaskrgr opened this issue Jan 7, 2024 · 2 comments · Fixed by #120639
Closed

ice: assertion failed: constant / lifetime with effects and try_trait #119717

matthiaskrgr opened this issue Jan 7, 2024 · 2 comments · Fixed by #120639
Labels
C-bug Category: This is a bug. F-const_trait_impl `#![feature(const_trait_impl)]` F-effects `#![feature(effects)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@matthiaskrgr
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snippet:

#![feature(const_trait_impl, effects)]

use std::ops::{FromResidual, Try};

impl const FromResidual for T {
    fn from_residual(t: T) -> _ {
        t
    }
}

Version information

rustc 1.77.0-nightly (75c68cfd2 2024-01-07)
binary: rustc
commit-hash: 75c68cfd2b9870f2953b62d250bd7d0564a7b56d
commit-date: 2024-01-07
host: x86_64-unknown-linux-gnu
release: 1.77.0-nightly
LLVM version: 17.0.6

Command:
/home/matthias/.rustup/toolchains/master/bin/rustc

Program output 

error[E0412]: cannot find type `T` in this scope
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:5:29
  |
5 | impl const FromResidual for T {
  |                             ^ not found in this scope

error[E0412]: cannot find type `T` in this scope
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:6:25
  |
6 |     fn from_residual(t: T) -> _ {
  |                         ^ not found in this scope

warning: unused import: `Try`
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:3:30
  |
3 | use std::ops::{FromResidual, Try};
  |                              ^^^
  |
  = note: `#[warn(unused_imports)]` on by default

error[E0601]: `main` function not found in crate `mvce`
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:9:2
  |
9 | }
  |  ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs`

error[E0658]: use of unstable library feature 'try_trait_v2'
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:3:16
  |
3 | use std::ops::{FromResidual, Try};
  |                ^^^^^^^^^^^^
  |
  = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
  = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable

error[E0658]: use of unstable library feature 'try_trait_v2'
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:3:30
  |
3 | use std::ops::{FromResidual, Try};
  |                              ^^^
  |
  = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
  = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable

error[E0658]: use of unstable library feature 'try_trait_v2'
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:6:5
  |
6 | /     fn from_residual(t: T) -> _ {
7 | |         t
8 | |     }
  | |_____^
  |
  = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
  = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable

error[E0658]: use of unstable library feature 'try_trait_v2'
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:5:12
  |
5 | impl const FromResidual for T {
  |            ^^^^^^^^^^^^
  |
  = note: see issue #84277 <https://github.com/rust-lang/rust/issues/84277> for more information
  = help: add `#![feature(try_trait_v2)]` to the crate attributes to enable

error: const `impl` for trait `FromResidual` which is not marked with `#[const_trait]`
 --> /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:5:12
  |
5 | impl const FromResidual for T {
  |            ^^^^^^^^^^^^
  |
  = note: marking a trait with `#[const_trait]` ensures all default method bodies are `const`
  = note: adding a non-const method body in the future would be a breaking change

thread 'rustc' panicked at compiler/rustc_hir_analysis/src/astconv/generics.rs:377:25:
assertion `left == right` failed
  left: "constant"
 right: "lifetime"
stack backtrace:
   0:     0x7faa8b98c7e6 - std::backtrace_rs::backtrace::libunwind::trace::h77800003d5e1d475
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7faa8b98c7e6 - std::backtrace_rs::backtrace::trace_unsynchronized::h053be484c7eba922
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7faa8b98c7e6 - std::sys_common::backtrace::_print_fmt::h658f0ed17c0b78d9
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7faa8b98c7e6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h92f7276dc2d1ad88
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7faa8b9deed0 - core::fmt::rt::Argument::fmt::heed5d96f67f8a94e
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/core/src/fmt/rt.rs:142:9
   5:     0x7faa8b9deed0 - core::fmt::write::hb0a14a1b109d343e
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/core/src/fmt/mod.rs:1120:17
   6:     0x7faa8b98014f - std::io::Write::write_fmt::hb68419aa79b5d241
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/io/mod.rs:1810:15
   7:     0x7faa8b98c5c4 - std::sys_common::backtrace::_print::h2515a5f3f70c3f2a
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7faa8b98c5c4 - std::sys_common::backtrace::print::haa99668665f11fc1
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7faa8b98f357 - std::panicking::default_hook::{{closure}}::h98d80deda6602b54
  10:     0x7faa8b98f0b9 - std::panicking::default_hook::h01558a8bbd5d1c0b
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/panicking.rs:292:9
  11:     0x7faa8e75093c - std[ca913780aff877b3]::panicking::update_hook::<alloc[6aabbde17010a607]::boxed::Box<rustc_driver_impl[c8d6e38be153bd2e]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7faa8b98faa6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h1171429379e58ebd
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/alloc/src/boxed.rs:2030:9
  13:     0x7faa8b98faa6 - std::panicking::rust_panic_with_hook::he8cd11bc79b74e48
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/panicking.rs:783:13
  14:     0x7faa8b98f7f2 - std::panicking::begin_panic_handler::{{closure}}::he1868b3475576648
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/panicking.rs:657:13
  15:     0x7faa8b98cce6 - std::sys_common::backtrace::__rust_end_short_backtrace::h9210389720f5c16a
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7faa8b98f550 - rust_begin_unwind
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/panicking.rs:645:5
  17:     0x7faa8b9db5d5 - core::panicking::panic_fmt::hfbd09a125111b8b4
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/core/src/panicking.rs:72:14
  18:     0x7faa8b9dbb6b - core::panicking::assert_failed_inner::ha427bb62c1496cc3
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/core/src/panicking.rs:342:17
  19:     0x7faa8e8125eb - core[db2dbba8ad13fc6d]::panicking::assert_failed::<&str, &str>
  20:     0x7faa9036f69d - <dyn rustc_hir_analysis[e387dd78e074a169]::astconv::AstConv>::create_args_for_ast_path
  21:     0x7faa9036d26a - <dyn rustc_hir_analysis[e387dd78e074a169]::astconv::AstConv>::instantiate_mono_trait_ref
  22:     0x7faa8e87aa36 - <dyn rustc_hir_analysis[e387dd78e074a169]::astconv::AstConv>::suggest_trait_fn_ty_for_impl_fn_infer
  23:     0x7faa8fbef222 - <dyn rustc_hir_analysis[e387dd78e074a169]::astconv::AstConv>::ty_of_fn
  24:     0x7faa8fbecce0 - rustc_hir_analysis[e387dd78e074a169]::collect::fn_sig
  25:     0x7faa8fbe6045 - rustc_query_impl[d71d27d8d4fd2043]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d71d27d8d4fd2043]::query_impl::fn_sig::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 24usize]>>
  26:     0x7faa8fbe6015 - <rustc_query_impl[d71d27d8d4fd2043]::query_impl::fn_sig::dynamic_query::{closure#2} as core[db2dbba8ad13fc6d]::ops::function::FnOnce<(rustc_middle[fc3d6de4885c956b]::ty::context::TyCtxt, rustc_span[5c4821f8b4a403f8]::def_id::DefId)>>::call_once
  27:     0x7faa8fbe5653 - rustc_query_system[af0d53eaca50a21]::query::plumbing::try_execute_query::<rustc_query_impl[d71d27d8d4fd2043]::DynamicConfig<rustc_query_system[af0d53eaca50a21]::query::caches::DefaultCache<rustc_span[5c4821f8b4a403f8]::def_id::DefId, rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[d71d27d8d4fd2043]::plumbing::QueryCtxt, false>
  28:     0x7faa8fbe5075 - rustc_query_impl[d71d27d8d4fd2043]::query_impl::fn_sig::get_query_non_incr::__rust_end_short_backtrace
  29:     0x7faa8fd581bb - <rustc_hir_analysis[e387dd78e074a169]::collect::CollectItemTypesVisitor as rustc_hir[149574241a95a1a8]::intravisit::Visitor>::visit_impl_item
  30:     0x7faa8febc04d - rustc_hir_analysis[e387dd78e074a169]::collect::collect_mod_item_types
  31:     0x7faa8febbf91 - rustc_query_impl[d71d27d8d4fd2043]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d71d27d8d4fd2043]::query_impl::collect_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 0usize]>>
  32:     0x7faa90614ecf - rustc_query_system[af0d53eaca50a21]::query::plumbing::try_execute_query::<rustc_query_impl[d71d27d8d4fd2043]::DynamicConfig<rustc_query_system[af0d53eaca50a21]::query::caches::DefaultCache<rustc_span[5c4821f8b4a403f8]::def_id::LocalModDefId, rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[d71d27d8d4fd2043]::plumbing::QueryCtxt, false>
  33:     0x7faa90614a03 - rustc_query_impl[d71d27d8d4fd2043]::query_impl::collect_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
  34:     0x7faa8fbf323d - rustc_hir_analysis[e387dd78e074a169]::check_crate
  35:     0x7faa9060bbd9 - rustc_interface[1bd61175f6644bbf]::passes::analysis
  36:     0x7faa9060b81f - rustc_query_impl[d71d27d8d4fd2043]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d71d27d8d4fd2043]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 1usize]>>
  37:     0x7faa909a79a4 - rustc_query_system[af0d53eaca50a21]::query::plumbing::try_execute_query::<rustc_query_impl[d71d27d8d4fd2043]::DynamicConfig<rustc_query_system[af0d53eaca50a21]::query::caches::SingleCache<rustc_middle[fc3d6de4885c956b]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[d71d27d8d4fd2043]::plumbing::QueryCtxt, false>
  38:     0x7faa909a7795 - rustc_query_impl[d71d27d8d4fd2043]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  39:     0x7faa906fb575 - rustc_interface[1bd61175f6644bbf]::interface::run_compiler::<core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>, rustc_driver_impl[c8d6e38be153bd2e]::run_compiler::{closure#0}>::{closure#0}
  40:     0x7faa909cc486 - std[ca913780aff877b3]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[1bd61175f6644bbf]::util::run_in_thread_with_globals<rustc_interface[1bd61175f6644bbf]::util::run_in_thread_pool_with_globals<rustc_interface[1bd61175f6644bbf]::interface::run_compiler<core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>, rustc_driver_impl[c8d6e38be153bd2e]::run_compiler::{closure#0}>::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>
  41:     0x7faa909cc2b3 - <<std[ca913780aff877b3]::thread::Builder>::spawn_unchecked_<rustc_interface[1bd61175f6644bbf]::util::run_in_thread_with_globals<rustc_interface[1bd61175f6644bbf]::util::run_in_thread_pool_with_globals<rustc_interface[1bd61175f6644bbf]::interface::run_compiler<core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>, rustc_driver_impl[c8d6e38be153bd2e]::run_compiler::{closure#0}>::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[db2dbba8ad13fc6d]::result::Result<(), rustc_span[5c4821f8b4a403f8]::ErrorGuaranteed>>::{closure#1} as core[db2dbba8ad13fc6d]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  42:     0x7faa8b9999d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h531f62f3337edeaa
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/alloc/src/boxed.rs:2016:9
  43:     0x7faa8b9999d5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8927a97a093d165e
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/alloc/src/boxed.rs:2016:9
  44:     0x7faa8b9999d5 - std::sys::unix::thread::Thread::new::thread_start::h95607854405756e7
                               at /rustc/75c68cfd2b9870f2953b62d250bd7d0564a7b56d/library/std/src/sys/unix/thread.rs:108:17
  45:     0x7faa8b7859eb - <unknown>
  46:     0x7faa8b8097cc - <unknown>
  47:                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 1.77.0-nightly (75c68cfd2 2024-01-07) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [fn_sig] computing function signature of `<impl at /tmp/icemaker_global_tempdir.lbZhrjbfGw3A/rustc_testrunner_tmpdir_reporting.YccQD9hrVX62/mvce.rs:5:1: 5:30>::from_residual`
#1 [collect_mod_item_types] collecting item types in top-level module
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 8 previous errors; 1 warning emitted

Some errors have detailed explanations: E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0412`.

@matthiaskrgr matthiaskrgr added I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. C-bug Category: This is a bug. F-const_trait_impl `#![feature(const_trait_impl)]` F-try_trait_v2 Tracking issue for RFC#3058 F-effects `#![feature(effects)]` labels Jan 7, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jan 7, 2024
@compiler-errors compiler-errors removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jan 7, 2024
@matthiaskrgr matthiaskrgr removed the F-try_trait_v2 Tracking issue for RFC#3058 label Jan 17, 2024
@matthiaskrgr
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matthiaskrgr commented Jan 17, 2024 •
edited

Another one that doesnt require try trait

#![feature(effects)]
impl const Drop for Panic {
    const fn x(x: T) -> _ {}
}

ices since #113210 presumably

thread 'rustc' panicked at compiler/rustc_hir_analysis/src/astconv/generics.rs:377:25:
assertion `left == right` failed
  left: "constant"
 right: "lifetime"
stack backtrace:
   0:     0x7f527118c806 - std::backtrace_rs::backtrace::libunwind::trace::ha01170f221d1582e
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7f527118c806 - std::backtrace_rs::backtrace::trace_unsynchronized::h7bf73eebd8e9e0d0
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f527118c806 - std::sys_common::backtrace::_print_fmt::h77ea322553b76a7e
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7f527118c806 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h969e1c98d856cf21
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f52711dee00 - core::fmt::rt::Argument::fmt::h42e2e630aae6c56f
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/core/src/fmt/rt.rs:142:9
   5:     0x7f52711dee00 - core::fmt::write::heafe82d09f904898
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/core/src/fmt/mod.rs:1120:17
   6:     0x7f527118013f - std::io::Write::write_fmt::h850aed7df0da11d2
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/io/mod.rs:1810:15
   7:     0x7f527118c5e4 - std::sys_common::backtrace::_print::h7ede50b4b70fd04c
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f527118c5e4 - std::sys_common::backtrace::print::hfc62bae2ea4aa12e
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f527118f377 - std::panicking::default_hook::{{closure}}::h1085a3f5762a8db7
  10:     0x7f527118f0d9 - std::panicking::default_hook::h1ad90d9c3dd5db68
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/panicking.rs:292:9
  11:     0x7f5273f7671c - std[1da247c91cf6dce6]::panicking::update_hook::<alloc[e56d0959c422b7e0]::boxed::Box<rustc_driver_impl[1daeda9eb381db5f]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f527118fac6 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0d16d6c3b8f74418
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/alloc/src/boxed.rs:2030:9
  13:     0x7f527118fac6 - std::panicking::rust_panic_with_hook::hdf29dd587202a0f5
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/panicking.rs:785:13
  14:     0x7f527118f812 - std::panicking::begin_panic_handler::{{closure}}::h37d1aacc08140715
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/panicking.rs:659:13
  15:     0x7f527118cd06 - std::sys_common::backtrace::__rust_end_short_backtrace::h2d42407a434fe0cd
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7f527118f564 - rust_begin_unwind
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/panicking.rs:647:5
  17:     0x7f52711db505 - core::panicking::panic_fmt::hdd827d1cee1530bd
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/core/src/panicking.rs:72:14
  18:     0x7f52711dba9b - core::panicking::assert_failed_inner::hb3461e44c963e516
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/core/src/panicking.rs:342:17
  19:     0x7f52740387cb - core[aa434ffebce5b8fa]::panicking::assert_failed::<&str, &str>
  20:     0x7f5275d078df - <dyn rustc_hir_analysis[7e179018dc102988]::astconv::AstConv>::create_args_for_ast_path
  21:     0x7f5275d04174 - <dyn rustc_hir_analysis[7e179018dc102988]::astconv::AstConv>::instantiate_mono_trait_ref
  22:     0x7f52740a1886 - <dyn rustc_hir_analysis[7e179018dc102988]::astconv::AstConv>::suggest_trait_fn_ty_for_impl_fn_infer
  23:     0x7f527540119f - <dyn rustc_hir_analysis[7e179018dc102988]::astconv::AstConv>::ty_of_fn
  24:     0x7f52753fec2b - rustc_hir_analysis[7e179018dc102988]::collect::fn_sig
  25:     0x7f52753c36b9 - rustc_query_impl[be13b8f2c6383f5d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[be13b8f2c6383f5d]::query_impl::fn_sig::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 24usize]>>
  26:     0x7f52753c3689 - <rustc_query_impl[be13b8f2c6383f5d]::query_impl::fn_sig::dynamic_query::{closure#2} as core[aa434ffebce5b8fa]::ops::function::FnOnce<(rustc_middle[2d050e635fea1b07]::ty::context::TyCtxt, rustc_span[b4fe891d2bf9e8ba]::def_id::DefId)>>::call_once
  27:     0x7f52753c3c7f - rustc_query_system[8db8d0664677b7fb]::query::plumbing::try_execute_query::<rustc_query_impl[be13b8f2c6383f5d]::DynamicConfig<rustc_query_system[8db8d0664677b7fb]::query::caches::DefIdCache<rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 24usize]>>, false, false, false>, rustc_query_impl[be13b8f2c6383f5d]::plumbing::QueryCtxt, false>
  28:     0x7f52753c3639 - rustc_query_impl[be13b8f2c6383f5d]::query_impl::fn_sig::get_query_non_incr::__rust_end_short_backtrace
  29:     0x7f52753fbd83 - <rustc_hir_analysis[7e179018dc102988]::collect::CollectItemTypesVisitor as rustc_hir[fb850ae0bf4bdba6]::intravisit::Visitor>::visit_impl_item
  30:     0x7f52753f4d39 - rustc_hir_analysis[7e179018dc102988]::collect::collect_mod_item_types
  31:     0x7f52753f4c79 - rustc_query_impl[be13b8f2c6383f5d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[be13b8f2c6383f5d]::query_impl::collect_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 0usize]>>
  32:     0x7f5275edd4cf - rustc_query_system[8db8d0664677b7fb]::query::plumbing::try_execute_query::<rustc_query_impl[be13b8f2c6383f5d]::DynamicConfig<rustc_query_system[8db8d0664677b7fb]::query::caches::DefaultCache<rustc_span[b4fe891d2bf9e8ba]::def_id::LocalModDefId, rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[be13b8f2c6383f5d]::plumbing::QueryCtxt, false>
  33:     0x7f5275edd003 - rustc_query_impl[be13b8f2c6383f5d]::query_impl::collect_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
  34:     0x7f52754a144e - rustc_hir_analysis[7e179018dc102988]::check_crate
  35:     0x7f5275c1e852 - rustc_interface[1d63f5ea980786ac]::passes::analysis
  36:     0x7f5275c1e49f - rustc_query_impl[be13b8f2c6383f5d]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[be13b8f2c6383f5d]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 1usize]>>
  37:     0x7f5275c1cdf2 - rustc_query_system[8db8d0664677b7fb]::query::plumbing::try_execute_query::<rustc_query_impl[be13b8f2c6383f5d]::DynamicConfig<rustc_query_system[8db8d0664677b7fb]::query::caches::SingleCache<rustc_middle[2d050e635fea1b07]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[be13b8f2c6383f5d]::plumbing::QueryCtxt, false>
  38:     0x7f5275c1cbf9 - rustc_query_impl[be13b8f2c6383f5d]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  39:     0x7f5275f94c6d - rustc_interface[1d63f5ea980786ac]::interface::run_compiler::<core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>, rustc_driver_impl[1daeda9eb381db5f]::run_compiler::{closure#0}>::{closure#0}
  40:     0x7f52761c0306 - std[1da247c91cf6dce6]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[1d63f5ea980786ac]::util::run_in_thread_with_globals<rustc_interface[1d63f5ea980786ac]::util::run_in_thread_pool_with_globals<rustc_interface[1d63f5ea980786ac]::interface::run_compiler<core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>, rustc_driver_impl[1daeda9eb381db5f]::run_compiler::{closure#0}>::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>
  41:     0x7f52761c0133 - <<std[1da247c91cf6dce6]::thread::Builder>::spawn_unchecked_<rustc_interface[1d63f5ea980786ac]::util::run_in_thread_with_globals<rustc_interface[1d63f5ea980786ac]::util::run_in_thread_pool_with_globals<rustc_interface[1d63f5ea980786ac]::interface::run_compiler<core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>, rustc_driver_impl[1daeda9eb381db5f]::run_compiler::{closure#0}>::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[aa434ffebce5b8fa]::result::Result<(), rustc_span[b4fe891d2bf9e8ba]::ErrorGuaranteed>>::{closure#1} as core[aa434ffebce5b8fa]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  42:     0x7f52711993b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h60369ba8348f2336
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/alloc/src/boxed.rs:2016:9
  43:     0x7f52711993b5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdc7f7433e4255761
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/alloc/src/boxed.rs:2016:9
  44:     0x7f52711993b5 - std::sys::pal::unix::thread::Thread::new::thread_start::hce3beac85f35b55d
                               at /rustc/098d4fd74c078b12bfc2e9438a2a04bc18b393bc/library/std/src/sys/pal/unix/thread.rs:108:17
  45:     0x7f5270f859eb - <unknown>
  46:     0x7f52710097cc - <unknown>
  47:                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 attach the file at `/tmp/im/rustc-ice-2024-01-17T05_23_33-926326.txt` to your bug report

query stack during panic:
#0 [fn_sig] computing function signature of `<impl at a.rs:2:1: 2:26>::x`
#1 [collect_mod_item_types] collecting item types in top-level module
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 7 previous errors

Some errors have detailed explanations: E0379, E0407, E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0379`.

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code was moved: compiler/rustc_hir_analysis/src/hir_ty_lowering/generics.rs

@matthiaskrgr matthiaskrgr added the S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. label Apr 15, 2024
@fee1-dead fee1-dead mentioned this issue Jun 25, 2024
Merged
4 tasks
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Jun 28, 2024
@matthiaskrgr
Rollup merge of rust-lang#120639 - fee1-dead-contrib:new-effects-desu…
e0c2c69 
…garing, r=oli-obk

Implement new effects desugaring

cc `@rust-lang/project-const-traits.` Will write down notes once I have finished.

* [x] See if we want `T: Tr` to desugar into `T: Tr, T::Effects: Compat<true>`
* [x] Fix ICEs on `type Assoc: ~const Tr` and `type Assoc<T: ~const Tr>`
* [ ] add types and traits to minicore test
* [ ] update rustc-dev-guide

Fixes rust-lang#119717
Fixes rust-lang#123664
Fixes rust-lang#124857
Fixes rust-lang#126148
bors added a commit to rust-lang-ci/rust that referenced this issue Jun 29, 2024
@bors
Auto merge of rust-lang#120639 - fee1-dead-contrib:new-effects-desuga…
6e48fbc 
…ring, r=oli-obk

Implement new effects desugaring

cc `@rust-lang/project-const-traits.` Will write down notes once I have finished.

* [x] See if we want `T: Tr` to desugar into `T: Tr, T::Effects: Compat<true>`
* [x] Fix ICEs on `type Assoc: ~const Tr` and `type Assoc<T: ~const Tr>`
* [ ] add types and traits to minicore test
* [ ] update rustc-dev-guide

Fixes rust-lang#119717
Fixes rust-lang#123664
Fixes rust-lang#124857
Fixes rust-lang#126148
@bors bors closed this as completed in ba1d7f4 Jun 29, 2024
flip1995 pushed a commit to flip1995/rust that referenced this issue Jul 11, 2024
@bors
Auto merge of rust-lang#120639 - fee1-dead-contrib:new-effects-desuga…
b5f9436 
…ring, r=oli-obk

Implement new effects desugaring

cc `@rust-lang/project-const-traits.` Will write down notes once I have finished.

* [x] See if we want `T: Tr` to desugar into `T: Tr, T::Effects: Compat<true>`
* [x] Fix ICEs on `type Assoc: ~const Tr` and `type Assoc<T: ~const Tr>`
* [ ] add types and traits to minicore test
* [ ] update rustc-dev-guide

Fixes rust-lang#119717
Fixes rust-lang#123664
Fixes rust-lang#124857
Fixes rust-lang#126148
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C-bug Category: This is a bug. F-const_trait_impl `#![feature(const_trait_impl)]` F-effects `#![feature(effects)]` I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ S-bug-has-test Status: This bug is tracked inside the repo by a `known-bug` test. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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Implement new effects desugaring fee1-dead-contrib/rust
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