ice: `Field projection applied to a type other than Adt or Tuple` with `-Wrust-2021-incompatible-closure-captures`
Opened this issue · 2 comments
matthiaskrgr commented
snippet:
struct V(&mut i32);
fn nested(v: &V) {
|| {
V(_somename) = v;
v.0 = 0;
};
}
Version information
rustc 1.77.0-nightly (f4d794ea0 2023-12-28)
binary: rustc
commit-hash: f4d794ea0b845413344621d89f6c945062748485
commit-date: 2023-12-28
host: x86_64-unknown-linux-gnu
release: 1.77.0-nightly
LLVM version: 17.0.6
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc -Wrust-2021-incompatible-closure-captures
Program output
error[E0106]: missing lifetime specifier
--> /tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs:1:10
|
1 | struct V(&mut i32);
| ^ expected named lifetime parameter
|
help: consider introducing a named lifetime parameter
|
1 | struct V<'a>(&'a mut i32);
| ++++ ++
error[E0425]: cannot find value `_somename` in this scope
--> /tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs:5:11
|
5 | V(_somename) = v;
| ^^^^^^^^^ not found in this scope
error[E0601]: `main` function not found in crate `mvce`
--> /tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs:8:2
|
8 | }
| ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs`
error[E0308]: mismatched types
--> /tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs:5:9
|
5 | V(_somename) = v;
| ^^^^^^^^^^^^ - this expression has type `&V`
| |
| expected `&V`, found `V`
error[E0308]: mismatched types
--> /tmp/icemaker_global_tempdir.dEdA4AEPEHqR/rustc_testrunner_tmpdir_reporting.G0gtnm9XDA0t/mvce.rs:6:15
|
6 | v.0 = 0;
| --- ^ expected `&mut i32`, found integer
| |
| expected due to the type of this binding
|
help: consider dereferencing here to assign to the mutably borrowed value
|
6 | *v.0 = 0;
| +
error: internal compiler error: compiler/rustc_middle/src/ty/closure.rs:322:21: Field projection applied to a type other than Adt or Tuple: &ReLateParam(DefId(0:6 ~ mvce[7610]::nested), BrNamed(DefId(0:8 ~ mvce[7610]::nested::'_), '_)) V.
thread 'rustc' panicked at /rustc/f4d794ea0b845413344621d89f6c945062748485/compiler/rustc_errors/src/lib.rs:1068:30:
Box<dyn Any>
stack backtrace:
0: 0x7f55a858b756 - std::backtrace_rs::backtrace::libunwind::trace::h3a8e5867b01d1b80
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
1: 0x7f55a858b756 - std::backtrace_rs::backtrace::trace_unsynchronized::he397ef0e45adff5d
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f55a858b756 - std::sys_common::backtrace::_print_fmt::h25cea7a1fa724fb5
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/sys_common/backtrace.rs:68:5
3: 0x7f55a858b756 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hda7577428151df9d
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f55a85de080 - core::fmt::rt::Argument::fmt::hb2ec9e184bf02ba0
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/core/src/fmt/rt.rs:142:9
5: 0x7f55a85de080 - core::fmt::write::h3465386ebc0a8978
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/core/src/fmt/mod.rs:1120:17
6: 0x7f55a857f49f - std::io::Write::write_fmt::hd97c5a975dde240c
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/io/mod.rs:1810:15
7: 0x7f55a858b534 - std::sys_common::backtrace::_print::h40f73d3c1d514bff
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f55a858b534 - std::sys_common::backtrace::print::h52313c48a0b47ef2
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f55a858e2c7 - std::panicking::default_hook::{{closure}}::haa180c42e4a369b8
10: 0x7f55a858e029 - std::panicking::default_hook::h2608c79ece8d0d38
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/panicking.rs:292:9
11: 0x7f55ab354c5c - std[3786b4fe60d6306f]::panicking::update_hook::<alloc[3092222d4273bb6b]::boxed::Box<rustc_driver_impl[5c34c1e050da57aa]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x7f55a858ea16 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb87a29f68be8c251
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/alloc/src/boxed.rs:2029:9
13: 0x7f55a858ea16 - std::panicking::rust_panic_with_hook::h184b82fc904f3d9c
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/panicking.rs:783:13
14: 0x7f55ab38dd94 - std[3786b4fe60d6306f]::panicking::begin_panic::<rustc_errors[33e8040be929cdf9]::ExplicitBug>::{closure#0}
15: 0x7f55ab38a196 - std[3786b4fe60d6306f]::sys_common::backtrace::__rust_end_short_backtrace::<std[3786b4fe60d6306f]::panicking::begin_panic<rustc_errors[33e8040be929cdf9]::ExplicitBug>::{closure#0}, !>
16: 0x7f55ab385436 - std[3786b4fe60d6306f]::panicking::begin_panic::<rustc_errors[33e8040be929cdf9]::ExplicitBug>
17: 0x7f55ab398c91 - <rustc_errors[33e8040be929cdf9]::diagnostic_builder::BugAbort as rustc_errors[33e8040be929cdf9]::diagnostic_builder::EmissionGuarantee>::emit_producing_guarantee
18: 0x7f55ab76ebee - <rustc_errors[33e8040be929cdf9]::DiagCtxt>::bug::<alloc[3092222d4273bb6b]::string::String>
19: 0x7f55ab80a2db - rustc_middle[f757abec48a5eb78]::util::bug::opt_span_bug_fmt::<rustc_span[65f71dc0888967d4]::span_encoding::Span>::{closure#0}
20: 0x7f55ab7f3cda - rustc_middle[f757abec48a5eb78]::ty::context::tls::with_opt::<rustc_middle[f757abec48a5eb78]::util::bug::opt_span_bug_fmt<rustc_span[65f71dc0888967d4]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7f55ab7f3b58 - rustc_middle[f757abec48a5eb78]::ty::context::tls::with_context_opt::<rustc_middle[f757abec48a5eb78]::ty::context::tls::with_opt<rustc_middle[f757abec48a5eb78]::util::bug::opt_span_bug_fmt<rustc_span[65f71dc0888967d4]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7f55a978cfd0 - rustc_middle[f757abec48a5eb78]::util::bug::bug_fmt
23: 0x7f55ab7f1ca9 - rustc_middle[f757abec48a5eb78]::ty::closure::place_to_string_for_capture
24: 0x7f55ab576c58 - <rustc_hir_typeck[1e5186ab7a582f5e]::fn_ctxt::FnCtxt>::compute_2229_migrations
25: 0x7f55acfe0a2b - <rustc_hir_typeck[1e5186ab7a582f5e]::fn_ctxt::FnCtxt>::analyze_closure
26: 0x7f55a947ab62 - <rustc_hir_typeck[1e5186ab7a582f5e]::upvar::InferBorrowKindVisitor as rustc_hir[5d4f640d92b3143d]::intravisit::Visitor>::visit_expr
27: 0x7f55ac899f84 - <rustc_hir_typeck[1e5186ab7a582f5e]::upvar::InferBorrowKindVisitor as rustc_hir[5d4f640d92b3143d]::intravisit::Visitor>::visit_block
28: 0x7f55ac8fdc34 - rustc_hir_typeck[1e5186ab7a582f5e]::typeck
29: 0x7f55ac8fcc33 - rustc_query_impl[6f15f6c85c1a873b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6f15f6c85c1a873b]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f757abec48a5eb78]::query::erase::Erased<[u8; 8usize]>>
30: 0x7f55ac816f03 - rustc_query_system[7fd09d8d21d1b510]::query::plumbing::try_execute_query::<rustc_query_impl[6f15f6c85c1a873b]::DynamicConfig<rustc_query_system[7fd09d8d21d1b510]::query::caches::VecCache<rustc_span[65f71dc0888967d4]::def_id::LocalDefId, rustc_middle[f757abec48a5eb78]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[6f15f6c85c1a873b]::plumbing::QueryCtxt, false>
31: 0x7f55ac816b90 - rustc_query_impl[6f15f6c85c1a873b]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
32: 0x7f55acc4b86f - <rustc_middle[f757abec48a5eb78]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[9c2d6d0d7a0bf722]::check_crate::{closure#7}>::{closure#0}
33: 0x7f55acc4a065 - rustc_hir_analysis[9c2d6d0d7a0bf722]::check_crate
34: 0x7f55acef3369 - rustc_interface[6675b02aac4159d5]::passes::analysis
35: 0x7f55acef2f9d - rustc_query_impl[6f15f6c85c1a873b]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6f15f6c85c1a873b]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[f757abec48a5eb78]::query::erase::Erased<[u8; 1usize]>>
36: 0x7f55ad5ac764 - rustc_query_system[7fd09d8d21d1b510]::query::plumbing::try_execute_query::<rustc_query_impl[6f15f6c85c1a873b]::DynamicConfig<rustc_query_system[7fd09d8d21d1b510]::query::caches::SingleCache<rustc_middle[f757abec48a5eb78]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[6f15f6c85c1a873b]::plumbing::QueryCtxt, false>
37: 0x7f55ad5ac555 - rustc_query_impl[6f15f6c85c1a873b]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
38: 0x7f55ad637992 - rustc_interface[6675b02aac4159d5]::interface::run_compiler::<core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>, rustc_driver_impl[5c34c1e050da57aa]::run_compiler::{closure#0}>::{closure#0}
39: 0x7f55ad5bb486 - std[3786b4fe60d6306f]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[6675b02aac4159d5]::util::run_in_thread_with_globals<rustc_interface[6675b02aac4159d5]::util::run_in_thread_pool_with_globals<rustc_interface[6675b02aac4159d5]::interface::run_compiler<core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>, rustc_driver_impl[5c34c1e050da57aa]::run_compiler::{closure#0}>::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>
40: 0x7f55ad5bb2b3 - <<std[3786b4fe60d6306f]::thread::Builder>::spawn_unchecked_<rustc_interface[6675b02aac4159d5]::util::run_in_thread_with_globals<rustc_interface[6675b02aac4159d5]::util::run_in_thread_pool_with_globals<rustc_interface[6675b02aac4159d5]::interface::run_compiler<core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>, rustc_driver_impl[5c34c1e050da57aa]::run_compiler::{closure#0}>::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[d43ed1021aff63f4]::result::Result<(), rustc_span[65f71dc0888967d4]::ErrorGuaranteed>>::{closure#1} as core[d43ed1021aff63f4]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
41: 0x7f55a8598945 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h060b15507a6e395e
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/alloc/src/boxed.rs:2015:9
42: 0x7f55a8598945 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6e5319cc8a1e4225
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/alloc/src/boxed.rs:2015:9
43: 0x7f55a8598945 - std::sys::unix::thread::Thread::new::thread_start::h8fbbd825c116e901
at /rustc/f4d794ea0b845413344621d89f6c945062748485/library/std/src/sys/unix/thread.rs:108:17
44: 0x7f55a83849eb - <unknown>
45: 0x7f55a84087cc - <unknown>
46: 0x0 - <unknown>
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 (f4d794ea0 2023-12-28) running on x86_64-unknown-linux-gnu
note: compiler flags: -Z dump-mir-dir=dir
query stack during panic:
#0 [typeck] type-checking `nested`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 6 previous errors
Some errors have detailed explanations: E0106, E0308, E0425, E0601.
For more information about an error, try `rustc --explain E0106`.
Jules-Bertholet commented
Regression (from error) in nightly-2022-11-06
found 9 bors merge commits in the specified range
- commit[0] 2022-11-04: Auto merge of #103978 - matthiaskrgr:rollup-iym9kmg, r=matthiaskrgr
- commit[1] 2022-11-04: Auto merge of #103298 - ferrocene:pa-compile-flags-last, r=jyn514
- commit[2] 2022-11-05: Auto merge of #103991 - matthiaskrgr:rollup-tj53nte, r=matthiaskrgr
- commit[3] 2022-11-05: Auto merge of #103992 - weihanglo:update-cargo, r=weihanglo
- commit[4] 2022-11-05: Auto merge of #103998 - Dylan-DPC:rollup-2nbmtc9, r=Dylan-DPC
- commit[5] 2022-11-05: Auto merge of #103691 - michaelwoerister:consistent-slice-and-str-cpp-like-debuginfo-names, r=wesleywiser
- commit[6] 2022-11-05: Auto merge of #103831 - chenyukang:yukang/fix-103751-ice, r=nagisa
- commit[7] 2022-11-05: Auto merge of #104017 - matthiaskrgr:rollup-k8i0j9m, r=matthiaskrgr
- commit[8] 2022-11-05: Auto merge of #102458 - JohnTitor:stabilize-instruction-set, r=oli-obk
@rustbot label regression-from-stable-to-stable
Strangely, I can't get this to reproduce on beta or nightly locally or on the playground, but it does reproduce on beta/nighly Godbolt and on stable everywhere.
apiraino commented
WG-prioritization assigning priority (Zulip discussion).
@rustbot label -I-prioritize +P-medium