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ICE: errors.is_empty() #120864

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matthiaskrgr opened this issue Feb 10, 2024 · 2 comments · Fixed by #121032
Closed

ICE: errors.is_empty() #120864

matthiaskrgr opened this issue Feb 10, 2024 · 2 comments · Fixed by #121032
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@oli-obk
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A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. 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.

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@matthiaskrgr
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auto-reduced (treereduce-rust):

fn thing(, , ) {
    
    thing(y);
    
    
    let f = | _ , y: &u32 , z | ();
    f(f);
    
    
    
    
}

original:

fn main() {
    let f = | _ , y: &u32 , z | ();
    thing(f);
    //~^ ERROR mismatched types
    //~^^ ERROR mismatched types
    let f = | x, y: _  , z: u32 | ();
    thing(f);
    //~^ ERROR mismatched types
    //~^^ ERROR mismatched types
    //~^^^ ERROR implementation of `FnOnce` is not general enough
    //~^^^^ ERROR implementation of `FnOnce` is not general enough
}

fn thing(&u32, &u32, u32) {
    let f = | x, y: _  , z: u32 | ();
    thing(y);
    //~^ ERROR mismatched types
    //~^^ ERROR mismatched types
    let f = | _ , y: &u32 , z | ();
    f(f);
    //~^ ERROR mismatched types
    //~^^ ERROR mismatched types
    //~^^^ ERROR implementation of `FnOnce` is not general enough
    //~^^^ ERROR implementation of `FnOnce` is not general enough
}

Version information

rustc 1.78.0-nightly (d44e3b95c 2024-02-09)
binary: rustc
commit-hash: d44e3b95cb9d410d89cb8ab3233906a33f43756a
commit-date: 2024-02-09
host: x86_64-unknown-linux-gnu
release: 1.78.0-nightly
LLVM version: 17.0.6

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

Program output 

error: expected parameter name, found `,`
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:3:10
  |
3 | fn thing(, , ) {
  |          ^ expected parameter name

error: expected parameter name, found `,`
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:3:12
  |
3 | fn thing(, , ) {
  |            ^ expected parameter name

error[E0425]: cannot find value `y` in this scope
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:5:11
  |
5 |     thing(y);
  |           ^ not found in this scope

error[E0601]: `main` function not found in crate `mvce`
  --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:14:2
   |
14 | }
   |  ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs`

error[E0061]: this function takes 2 arguments but 1 argument was supplied
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:5:5
  |
5 |     thing(y);
  |     ^^^^^--- an argument is missing
  |
note: function defined here
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:3:4
  |
3 | fn thing(, , ) {
  |    ^^^^^--
help: provide the argument
  |
5 |     thing(y, /*  */);
  |          ~~~~~~~~~~~

error[E0644]: closure/coroutine type that references itself
 --> /tmp/icemaker_global_tempdir.OLgkezOQldBU/rustc_testrunner_tmpdir_reporting.n81illt6jime/mvce.rs:9:7
  |
9 |     f(f);
  |       ^ cyclic type of infinite size
  |
  = note: closures cannot capture themselves or take themselves as argument;
          this error may be the result of a recent compiler bug-fix,
          see issue #46062 <https://github.com/rust-lang/rust/issues/46062>
          for more information

thread 'rustc' panicked at compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs:744:13:
assertion failed: errors.is_empty()
stack backtrace:
   0:     0x7f06eb38b936 - std::backtrace_rs::backtrace::libunwind::trace::ha4e340d83956b6a7
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
   1:     0x7f06eb38b936 - std::backtrace_rs::backtrace::trace_unsynchronized::h496689f2269fc1f9
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f06eb38b936 - std::sys_common::backtrace::_print_fmt::h5b8d6425acdf9de2
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys_common/backtrace.rs:68:5
   3:     0x7f06eb38b936 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd1632d07f3024207
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f06eb3de380 - core::fmt::rt::Argument::fmt::h4f261889e80f123d
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/core/src/fmt/rt.rs:142:9
   5:     0x7f06eb3de380 - core::fmt::write::h9bbd14542dbf2e7c
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/core/src/fmt/mod.rs:1120:17
   6:     0x7f06eb37f17f - std::io::Write::write_fmt::hdb4a9a1a30b52b2c
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/io/mod.rs:1854:15
   7:     0x7f06eb38b714 - std::sys_common::backtrace::_print::h016f2aaf70be80f8
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys_common/backtrace.rs:47:5
   8:     0x7f06eb38b714 - std::sys_common::backtrace::print::hb9713787207c076b
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys_common/backtrace.rs:34:9
   9:     0x7f06eb38e4d7 - std::panicking::default_hook::{{closure}}::h34ca11fbc6eb460e
  10:     0x7f06eb38e239 - std::panicking::default_hook::h3e49d202ffbf9a64
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/panicking.rs:292:9
  11:     0x7f06ee128a0c - std[4cb245a8c4fcbb2b]::panicking::update_hook::<alloc[4a1fa2d365a8ec83]::boxed::Box<rustc_driver_impl[d92334f8e0b5c69f]::install_ice_hook::{closure#0}>>::{closure#0}
  12:     0x7f06eb38ec26 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h70b0dd5af17047ec
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/alloc/src/boxed.rs:2029:9
  13:     0x7f06eb38ec26 - std::panicking::rust_panic_with_hook::h5268464aa60f9bc8
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/panicking.rs:785:13
  14:     0x7f06eb38e939 - std::panicking::begin_panic_handler::{{closure}}::he52b5ce078558996
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/panicking.rs:651:13
  15:     0x7f06eb38be36 - std::sys_common::backtrace::__rust_end_short_backtrace::hbaa37bd2889680bf
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys_common/backtrace.rs:171:18
  16:     0x7f06eb38e6c4 - rust_begin_unwind
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/panicking.rs:647:5
  17:     0x7f06eb3daa85 - core::panicking::panic_fmt::h3038ea3ffe8e8b7b
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/core/src/panicking.rs:72:14
  18:     0x7f06eb3dab43 - core::panicking::panic::hc8c01b4595b452f9
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/core/src/panicking.rs:144:5
  19:     0x7f06ee2fa9c0 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::report_arg_errors
  20:     0x7f06eff263c6 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::check_argument_types
  21:     0x7f06efd165f8 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::check_call
  22:     0x7f06efed20a2 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  23:     0x7f06efdeb323 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::check_block_with_expected
  24:     0x7f06efed27d6 - <rustc_hir_typeck[5a9ec5ed1d72bd50]::fn_ctxt::FnCtxt>::check_expr_with_expectation_and_args
  25:     0x7f06ef9f3d23 - rustc_hir_typeck[5a9ec5ed1d72bd50]::check::check_fn
  26:     0x7f06ef541f62 - rustc_hir_typeck[5a9ec5ed1d72bd50]::typeck
  27:     0x7f06ef5412bd - rustc_query_impl[24bd5f0faa3cd235]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[24bd5f0faa3cd235]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f70515e6cf4402ab]::query::erase::Erased<[u8; 8usize]>>
  28:     0x7f06ef5c5d3a - rustc_query_system[89d43ac98090ee26]::query::plumbing::try_execute_query::<rustc_query_impl[24bd5f0faa3cd235]::DynamicConfig<rustc_query_system[89d43ac98090ee26]::query::caches::VecCache<rustc_span[d717321976fe2f69]::def_id::LocalDefId, rustc_middle[f70515e6cf4402ab]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[24bd5f0faa3cd235]::plumbing::QueryCtxt, false>
  29:     0x7f06ef5c5850 - rustc_query_impl[24bd5f0faa3cd235]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
  30:     0x7f06ef5c4fd6 - <rustc_middle[f70515e6cf4402ab]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[979456e231b5f247]::check_crate::{closure#5}>::{closure#0}
  31:     0x7f06ef5c3b0e - rustc_hir_analysis[979456e231b5f247]::check_crate
  32:     0x7f06efddfa12 - rustc_interface[e833383f6d6bccbe]::passes::analysis
  33:     0x7f06efddf65f - rustc_query_impl[24bd5f0faa3cd235]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[24bd5f0faa3cd235]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f70515e6cf4402ab]::query::erase::Erased<[u8; 1usize]>>
  34:     0x7f06f0108db2 - rustc_query_system[89d43ac98090ee26]::query::plumbing::try_execute_query::<rustc_query_impl[24bd5f0faa3cd235]::DynamicConfig<rustc_query_system[89d43ac98090ee26]::query::caches::SingleCache<rustc_middle[f70515e6cf4402ab]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[24bd5f0faa3cd235]::plumbing::QueryCtxt, false>
  35:     0x7f06f0108b15 - rustc_query_impl[24bd5f0faa3cd235]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
  36:     0x7f06f0117b82 - rustc_interface[e833383f6d6bccbe]::interface::run_compiler::<core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>, rustc_driver_impl[d92334f8e0b5c69f]::run_compiler::{closure#0}>::{closure#0}
  37:     0x7f06f0393306 - std[4cb245a8c4fcbb2b]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[e833383f6d6bccbe]::util::run_in_thread_with_globals<rustc_interface[e833383f6d6bccbe]::util::run_in_thread_pool_with_globals<rustc_interface[e833383f6d6bccbe]::interface::run_compiler<core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>, rustc_driver_impl[d92334f8e0b5c69f]::run_compiler::{closure#0}>::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>
  38:     0x7f06f0393133 - <<std[4cb245a8c4fcbb2b]::thread::Builder>::spawn_unchecked_<rustc_interface[e833383f6d6bccbe]::util::run_in_thread_with_globals<rustc_interface[e833383f6d6bccbe]::util::run_in_thread_pool_with_globals<rustc_interface[e833383f6d6bccbe]::interface::run_compiler<core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>, rustc_driver_impl[d92334f8e0b5c69f]::run_compiler::{closure#0}>::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9c9cc17aadeb336b]::result::Result<(), rustc_span[d717321976fe2f69]::ErrorGuaranteed>>::{closure#1} as core[9c9cc17aadeb336b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  39:     0x7f06eb397eb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9eb8a991c9116b63
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/alloc/src/boxed.rs:2015:9
  40:     0x7f06eb397eb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8c75f09e06980632
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/alloc/src/boxed.rs:2015:9
  41:     0x7f06eb397eb5 - std::sys::pal::unix::thread::Thread::new::thread_start::hdaf36e3abe8ac6ae
                               at /rustc/d44e3b95cb9d410d89cb8ab3233906a33f43756a/library/std/src/sys/pal/unix/thread.rs:108:17
  42:     0x7f06eb1819eb - <unknown>
  43:     0x7f06eb2057cc - <unknown>
  44:                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 1.78.0-nightly (d44e3b95c 2024-02-09) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [typeck] type-checking `thing`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 6 previous errors

Some errors have detailed explanations: E0061, E0425, E0601, E0644.
For more information about an error, try `rustc --explain E0061`.

@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. labels Feb 10, 2024
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Feb 10, 2024
@matthiaskrgr
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fn thing() {
    let f = | _,_ | ();
    f(f);
}

@matthiaskrgr
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#120342 cc @oli-obk

@saethlin saethlin added A-diagnostics Area: Messages for errors, warnings, and lints and removed needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. labels Feb 10, 2024
@oli-obk oli-obk self-assigned this Feb 10, 2024
@oli-obk oli-obk mentioned this issue Feb 13, 2024
Merged
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Feb 19, 2024
@matthiaskrgr
Rollup merge of rust-lang#121032 - oli-obk:cyclic_type_ice, r=cjgillot
9a5f3b6 
Continue reporting remaining errors instead of silently dropping them

I was too eager to add assertions in https://github.com/rust-lang/rust/pull/120342/files#diff-593003090e0fb5c21f31413ce5feb506e235ec33c4775da88b853980429b9ff1R741

fixes rust-lang#120864
@bors bors closed this as completed in 25bba60 Feb 19, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Feb 19, 2024
@rust-timer
Unrolled build for rust-lang#121032
4fbeab8 
Rollup merge of rust-lang#121032 - oli-obk:cyclic_type_ice, r=cjgillot

Continue reporting remaining errors instead of silently dropping them

I was too eager to add assertions in https://github.com/rust-lang/rust/pull/120342/files#diff-593003090e0fb5c21f31413ce5feb506e235ec33c4775da88b853980429b9ff1R741

fixes rust-lang#120864
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@oli-obk oli-obk

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A-diagnostics Area: Messages for errors, warnings, and lints C-bug Category: This is a bug. 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.
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Continue reporting remaining errors instead of silently dropping them oli-obk/rust
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