Closed
Description
The following ICE's on stable, beta and nightly:
enum Bug {
V1 = return [0][0]
}
Backtrace:
error: internal compiler error: src/librustc/ty/context.rs:556: node_type: no type for node `expr [0] (hir_id=HirId { owner: DefIndex(12), local_id: 5 })`
thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:650:9
stack backtrace:
0: backtrace::backtrace::libunwind::trace
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
1: backtrace::backtrace::trace_unsynchronized
at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
2: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:47
3: std::sys_common::backtrace::print
at src/libstd/sys_common/backtrace.rs:36
4: std::panicking::default_hook::{{closure}}
at src/libstd/panicking.rs:200
5: std::panicking::default_hook
at src/libstd/panicking.rs:214
6: rustc::util::common::panic_hook
7: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:481
8: std::panicking::begin_panic
9: rustc_errors::Handler::bug
10: rustc::util::bug::opt_span_bug_fmt::{{closure}}
11: rustc::ty::context::tls::with_opt::{{closure}}
12: rustc::ty::context::tls::with_context_opt
13: rustc::ty::context::tls::with_opt
14: rustc::util::bug::opt_span_bug_fmt
15: rustc::util::bug::bug_fmt
16: rustc::ty::context::TypeckTables::node_type::{{closure}}
17: rustc::ty::context::TypeckTables::expr_ty_adjusted
18: <rustc_typeck::check::writeback::WritebackCx as rustc::hir::intravisit::Visitor>::visit_expr
19: <rustc_typeck::check::writeback::WritebackCx as rustc::hir::intravisit::Visitor>::visit_expr
20: rustc_typeck::check::writeback::<impl rustc_typeck::check::FnCtxt>::resolve_type_vars_in_body
21: rustc::ty::context::GlobalCtxt::enter_local
22: rustc_typeck::check::typeck_tables_of
23: rustc::ty::query::__query_compute::typeck_tables_of
24: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::typeck_tables_of>::compute
25: rustc::dep_graph::graph::DepGraph::with_task_impl
26: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
27: rustc_mir::const_eval::const_eval_raw_provider
28: rustc::ty::query::__query_compute::const_eval_raw
29: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::const_eval_raw>::compute
30: rustc::dep_graph::graph::DepGraph::with_task_impl
31: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
32: rustc_mir::const_eval::const_eval_provider
33: rustc::ty::query::__query_compute::const_eval
34: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::const_eval>::compute
35: rustc::dep_graph::graph::DepGraph::with_task_impl
36: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
37: <rustc_typeck::collect::CollectItemTypesVisitor as rustc::hir::intravisit::Visitor>::visit_item
38: rustc::hir::map::Map::visit_item_likes_in_module
39: rustc_typeck::collect::collect_mod_item_types
40: rustc::ty::query::__query_compute::collect_mod_item_types
41: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::collect_mod_item_types>::compute
42: rustc::dep_graph::graph::DepGraph::with_task_impl
43: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
44: rustc_typeck::check_crate::{{closure}}::{{closure}}
45: rustc::util::common::time
46: rustc_typeck::check_crate
47: rustc_interface::passes::analysis
48: rustc::ty::query::__query_compute::analysis
49: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::analysis>::compute
50: rustc::dep_graph::graph::DepGraph::with_task_impl
51: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
52: rustc::ty::context::tls::enter_global
53: rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}
54: rustc_interface::passes::create_global_ctxt::{{closure}}
55: rustc_interface::interface::run_compiler_in_existing_thread_pool
56: std::thread::local::LocalKey<T>::with
57: scoped_tls::ScopedKey<T>::set
58: syntax::with_globals
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
query stack during panic:
#0 [typeck_tables_of] processing `Bug::V1::{{constant}}#0`
#1 [const_eval_raw] const-evaluating `Bug::V1::{{constant}}#0`
#2 [const_eval] const-evaluating + checking `Bug::V1::{{constant}}#0`
#3 [collect_mod_item_types] collecting item types in top-level module
#4 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0572`.
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
note: rustc 1.37.0 (eae3437df 2019-08-13) running on x86_64-unknown-linux-gnu
note: compiler flags: -C codegen-units=1 -C debuginfo=2 --crate-type lib
note: some of the compiler flags provided by cargo are hidden
Running a quick test in godbolt, the first occurrence of the ICE is in stable 1.25.
Feel free to close if this is a dupe of #64620