ICE: `no type for local variable `

[matthiaskrgr]

Code

fn main() {
    unknown(1, |glyf| {
        let actual = glyf;
    });
}

Meta

rustc --version --verbose:

rustc 1.68.0-nightly (b569c9dc5 2022-12-21)
binary: rustc
commit-hash: b569c9dc57ee22b6ff94563af856909763dfa24b
commit-date: 2022-12-21
host: x86_64-unknown-linux-gnu
release: 1.68.0-nightly
LLVM version: 15.0.6

Error output

<output>

Backtrace

error[E0425]: cannot find function `unknown` in this scope
 --> ./src/tools/rustfmt/tests/target/issue_4031.rs:2:5
  |
2 |     unknown(1, |glyf| {
  |     ^^^^^^^ not found in this scope

error: internal compiler error: compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:133:13: no type for local variable local let actual = glyf; (hir_id=HirId { owner: OwnerId { def_id: DefId(0:3 ~ issue_4031[ae59]::main) }, local_id: 12 })
 --> ./src/tools/rustfmt/tests/target/issue_4031.rs:3:9
  |
3 |         let actual = glyf;
  |         ^^^^^^^^^^^^^^^^^^

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/compiler/rustc_errors/src/lib.rs:973:33
stack backtrace:
   0:     0x7f244b965a7a - std::backtrace_rs::backtrace::libunwind::trace::h99dd587050ba3e19
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f244b965a7a - std::backtrace_rs::backtrace::trace_unsynchronized::h8b5df2b58b05da41
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f244b965a7a - std::sys_common::backtrace::_print_fmt::h1d345cbbcda56598
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f244b965a7a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd4402273fa33282a
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f244b9c87ae - core::fmt::write::h6c95fd68e30f1c06
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/core/src/fmt/mod.rs:1208:17
   5:     0x7f244b955e45 - std::io::Write::write_fmt::ha72b55fc69892a78
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/io/mod.rs:1682:15
   6:     0x7f244b965845 - std::sys_common::backtrace::_print::hfacbef4ac726cf20
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f244b965845 - std::sys_common::backtrace::print::h249e5a7814647993
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f244b96858f - std::panicking::default_hook::{{closure}}::h1c72d3ce90cd0e69
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/panicking.rs:267:22
   9:     0x7f244b9682cb - std::panicking::default_hook::h5777cc883332a52f
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/panicking.rs:286:9
  10:     0x7f244ec68fe1 - rustc_driver[21537216b322d4ff]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f244b968dcd - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h51db7b3e2de57a58
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/alloc/src/boxed.rs:2032:9
  12:     0x7f244b968dcd - std::panicking::rust_panic_with_hook::hb3543478dcc6699f
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/panicking.rs:692:13
  13:     0x7f244ee2b0c1 - std[f9cccb814d93c2f3]::panicking::begin_panic::<rustc_errors[828765d4ad99842e]::ExplicitBug>::{closure#0}
  14:     0x7f244ee29486 - std[f9cccb814d93c2f3]::sys_common::backtrace::__rust_end_short_backtrace::<std[f9cccb814d93c2f3]::panicking::begin_panic<rustc_errors[828765d4ad99842e]::ExplicitBug>::{closure#0}, !>
  15:     0x7f244eeae2b6 - std[f9cccb814d93c2f3]::panicking::begin_panic::<rustc_errors[828765d4ad99842e]::ExplicitBug>
  16:     0x7f244ee7cd16 - std[f9cccb814d93c2f3]::panic::panic_any::<rustc_errors[828765d4ad99842e]::ExplicitBug>
  17:     0x7f244ee79952 - <rustc_errors[828765d4ad99842e]::HandlerInner>::span_bug::<rustc_span[ce8a94135b1d42da]::span_encoding::Span, &alloc[ca57dcf3127c867d]::string::String>
  18:     0x7f244ee796f7 - <rustc_errors[828765d4ad99842e]::Handler>::span_bug::<rustc_span[ce8a94135b1d42da]::span_encoding::Span, &alloc[ca57dcf3127c867d]::string::String>
  19:     0x7f244ee69a09 - rustc_middle[4f2d4adbb9e9eeb3]::ty::context::tls::with_context_opt::<rustc_middle[4f2d4adbb9e9eeb3]::ty::context::tls::with_opt<rustc_middle[4f2d4adbb9e9eeb3]::util::bug::opt_span_bug_fmt<rustc_span[ce8a94135b1d42da]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
  20:     0x7f244ee67d06 - rustc_middle[4f2d4adbb9e9eeb3]::util::bug::opt_span_bug_fmt::<rustc_span[ce8a94135b1d42da]::span_encoding::Span>
  21:     0x7f244d005954 - rustc_middle[4f2d4adbb9e9eeb3]::util::bug::span_bug_fmt::<rustc_span[ce8a94135b1d42da]::span_encoding::Span>
  22:     0x7f244d0a1f21 - <rustc_hir_typeck[74dcecb324806db1]::writeback::WritebackCx as rustc_hir[81173c52513d9611]::intravisit::Visitor>::visit_local
  23:     0x7f244d0975b3 - <rustc_hir_typeck[74dcecb324806db1]::writeback::WritebackCx as rustc_hir[81173c52513d9611]::intravisit::Visitor>::visit_expr
  24:     0x7f244d099136 - <rustc_hir_typeck[74dcecb324806db1]::writeback::WritebackCx as rustc_hir[81173c52513d9611]::intravisit::Visitor>::visit_expr
  25:     0x7f244d097334 - <rustc_hir_typeck[74dcecb324806db1]::writeback::WritebackCx as rustc_hir[81173c52513d9611]::intravisit::Visitor>::visit_expr
  26:     0x7f244d097593 - <rustc_hir_typeck[74dcecb324806db1]::writeback::WritebackCx as rustc_hir[81173c52513d9611]::intravisit::Visitor>::visit_expr
  27:     0x7f244d195324 - <rustc_hir_typeck[74dcecb324806db1]::fn_ctxt::FnCtxt>::resolve_type_vars_in_body
  28:     0x7f244d186159 - <rustc_hir_typeck[74dcecb324806db1]::inherited::InheritedBuilder>::enter::<rustc_hir_typeck[74dcecb324806db1]::typeck_with_fallback<rustc_hir_typeck[74dcecb324806db1]::typeck::{closure#0}>::{closure#0}::{closure#1}, &rustc_middle[4f2d4adbb9e9eeb3]::ty::typeck_results::TypeckResults>
  29:     0x7f244d1783f1 - rustc_hir_typeck[74dcecb324806db1]::typeck
  30:     0x7f244d1766d4 - rustc_query_system[c60be3de876a2c0c]::query::plumbing::try_execute_query::<rustc_query_impl[20e8f77b2b38c778]::plumbing::QueryCtxt, rustc_query_system[c60be3de876a2c0c]::query::caches::VecCache<rustc_span[ce8a94135b1d42da]::def_id::LocalDefId, &rustc_middle[4f2d4adbb9e9eeb3]::ty::typeck_results::TypeckResults>>
  31:     0x7f244e3d8815 - rustc_data_structures[411d6a5849f79f86]::sync::par_for_each_in::<&[rustc_span[ce8a94135b1d42da]::def_id::LocalDefId], <rustc_middle[4f2d4adbb9e9eeb3]::hir::map::Map>::par_body_owners<rustc_hir_typeck[74dcecb324806db1]::typeck_item_bodies::{closure#0}>::{closure#0}>
  32:     0x7f244e3d8553 - rustc_hir_typeck[74dcecb324806db1]::typeck_item_bodies
  33:     0x7f244e2cac07 - rustc_query_system[c60be3de876a2c0c]::query::plumbing::try_execute_query::<rustc_query_impl[20e8f77b2b38c778]::plumbing::QueryCtxt, rustc_query_system[c60be3de876a2c0c]::query::caches::DefaultCache<(), ()>>
  34:     0x7f244e2ca910 - rustc_query_system[c60be3de876a2c0c]::query::plumbing::get_query::<rustc_query_impl[20e8f77b2b38c778]::queries::typeck_item_bodies, rustc_query_impl[20e8f77b2b38c778]::plumbing::QueryCtxt>
  35:     0x7f244d1f9012 - <rustc_session[a68c546d2dd923a7]::session::Session>::time::<(), rustc_hir_analysis[28e1eb23c1f8d576]::check_crate::{closure#7}>
  36:     0x7f244d1f7f0c - rustc_hir_analysis[28e1eb23c1f8d576]::check_crate
  37:     0x7f244d1f7b2b - rustc_interface[1a3656a650d1b669]::passes::analysis
  38:     0x7f244e428447 - rustc_query_system[c60be3de876a2c0c]::query::plumbing::try_execute_query::<rustc_query_impl[20e8f77b2b38c778]::plumbing::QueryCtxt, rustc_query_system[c60be3de876a2c0c]::query::caches::DefaultCache<(), core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>>
  39:     0x7f244e428140 - rustc_query_system[c60be3de876a2c0c]::query::plumbing::get_query::<rustc_query_impl[20e8f77b2b38c778]::queries::analysis, rustc_query_impl[20e8f77b2b38c778]::plumbing::QueryCtxt>
  40:     0x7f244df02913 - <rustc_interface[1a3656a650d1b669]::passes::QueryContext>::enter::<rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}::{closure#2}::{closure#2}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>
  41:     0x7f244defecc3 - <rustc_interface[1a3656a650d1b669]::interface::Compiler>::enter::<rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}::{closure#2}, core[736eded8a5b048c3]::result::Result<core[736eded8a5b048c3]::option::Option<rustc_interface[1a3656a650d1b669]::queries::Linker>, rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>
  42:     0x7f244def9cd8 - rustc_span[ce8a94135b1d42da]::with_source_map::<core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>, rustc_interface[1a3656a650d1b669]::interface::run_compiler<core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>, rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  43:     0x7f244def97c5 - <scoped_tls[724bea1b4333bfff]::ScopedKey<rustc_span[ce8a94135b1d42da]::SessionGlobals>>::set::<rustc_interface[1a3656a650d1b669]::interface::run_compiler<core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>, rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}>::{closure#0}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>
  44:     0x7f244def8db2 - std[f9cccb814d93c2f3]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[1a3656a650d1b669]::util::run_in_thread_pool_with_globals<rustc_interface[1a3656a650d1b669]::interface::run_compiler<core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>, rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}>::{closure#0}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>
  45:     0x7f244e524cfa - <<std[f9cccb814d93c2f3]::thread::Builder>::spawn_unchecked_<rustc_interface[1a3656a650d1b669]::util::run_in_thread_pool_with_globals<rustc_interface[1a3656a650d1b669]::interface::run_compiler<core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>, rustc_driver[21537216b322d4ff]::run_compiler::{closure#1}>::{closure#0}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[736eded8a5b048c3]::result::Result<(), rustc_errors[828765d4ad99842e]::ErrorGuaranteed>>::{closure#1} as core[736eded8a5b048c3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  46:     0x7f244b972dc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7b6a51a690b552da
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/alloc/src/boxed.rs:2000:9
  47:     0x7f244b972dc3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h38e8e2f768a10b8d
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/alloc/src/boxed.rs:2000:9
  48:     0x7f244b972dc3 - std::sys::unix::thread::Thread::new::thread_start::h4a6baf72c021b4cc
                               at /rustc/b569c9dc57ee22b6ff94563af856909763dfa24b/library/std/src/sys/unix/thread.rs:108:17
  49:     0x7f244b7058fd - <unknown>
  50:     0x7f244b787a60 - <unknown>
  51:                0x0 - <unknown>

note: 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 1.68.0-nightly (b569c9dc5 2022-12-21) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [typeck] type-checking `main`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [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 E0425`.

[matthiaskrgr]

Regression in b569c9d / #105979

[matthiaskrgr]

Perhaps #105973 ? 🤔 cc @oli-obk

[matthiaskrgr]

list of files that reproduce the crash (rustc $file is eough)

 ./src/tools/rust-analyzer/crates/hir-ty/src/infer/path.rs
 ./src/tools/clippy/clippy_lints/src/methods/unnecessary_filter_map.rs
 ./library/backtrace/src/symbolize/gimli/macho.rs
 ./compiler/rustc_middle/src/ty/error.rs
 ./compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
 ./compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/cpp_like.rs
 ./compiler/rustc_builtin_macros/src/deriving/cmp/ord.rs
 ./compiler/rustc_builtin_macros/src/deriving/cmp/partial_eq.rs
 ./compiler/rustc_builtin_macros/src/deriving/cmp/partial_ord.rs
 ./compiler/rustc_interface/src/callbacks.rs
 ./src/tools/clippy/clippy_lints/src/operators/misrefactored_assign_op.rs
 ./src/tools/rustfmt/tests/target/issue_4031.rs
 ./src/tools/clippy/clippy_lints/src/methods/seek_to_start_instead_of_rewind.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_float.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_char.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_num_to_bytes.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_int_to_bool.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ref.rs
 ./src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/mismatched_arg_count.rs
 ./src/tools/clippy/clippy_lints/src/operators/cmp_owned.rs
 ./src/tools/cargo/src/cargo/core/compiler/custom_build.rs
 ./src/tools/cargo/src/cargo/core/compiler/custom_build.rs
 ./compiler/rustc_trait_selection/src/traits/select/confirmation.rs
 ./src/tools/rustfmt/src/formatting.rs
 ./src/tools/miri/bench-cargo-miri/backtraces/src/main.rs
 ./src/tools/miri/bench-cargo-miri/backtraces/src/main.rs
 ./library/backtrace/src/symbolize/gimli.rs
 ./src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs
 ./src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_bool_then.rs
 ./library/std/src/sys/itron/condvar.rs
 ./src/tools/rust-analyzer/crates/ide-assists/src/handlers/promote_local_to_const.rs
 ./src/tools/clippy/clippy_lints/src/matches/redundant_pattern_match.rs
 ./src/tools/clippy/clippy_lints/src/matches/match_bool.rs
 ./src/tools/tidy/src/alphabetical.rs
 ./src/tools/tidy/src/target_specific_tests.rs
 ./src/tools/tidy/src/bins.rs
 ./src/tools/tidy/src/features.rs
 ./src/tools/tidy/src/style.rs
 ./src/tools/tidy/src/edition.rs
 ./src/tools/tidy/src/errors.rs
 ./src/tools/tidy/src/pal.rs
 ./src/tools/tidy/src/error_codes_check.rs
 ./src/tools/tidy/src/ui_tests.rs
 ./src/tools/tidy/src/debug_artifacts.rs
 ./compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
 ./compiler/rustc_codegen_cranelift/src/intrinsics/llvm_aarch64.rs
 ./src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs
 ./src/tools/rust-analyzer/crates/ide-completion/src/tests.rs
 ./src/tools/rust-analyzer/crates/ide-completion/src/tests.rs
 ./compiler/rustc_ast/src/attr/mod.rs
 ./library/backtrace/examples/raw.rs
 ./library/backtrace/examples/raw.rs
 ./compiler/rustc_codegen_cranelift/src/driver/jit.rs
 ./compiler/rustc_mir_build/src/build/matches/mod.rs
 ./compiler/rustc_mir_build/src/build/matches/test.rs
 ./src/tools/rustfmt/tests/target/nested-visual-block.rs
 ./src/tools/rustfmt/tests/target/nested-visual-block.rs
 ./src/tools/clippy/clippy_lints/src/operators/float_cmp.rs
 ./src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs
 ./src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs
 ./compiler/rustc_ast_lowering/src/pat.rs
 ./src/tools/clippy/clippy_lints/src/operators/op_ref.rs
 ./src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_type_alias.rs
 ./src/tools/clippy/clippy_lints/src/loops/for_kv_map.rs
 ./src/tools/clippy/clippy_lints/src/methods/iter_overeager_cloned.rs
 ./src/tools/clippy/clippy_lints/src/matches/match_same_arms.rs
 ./src/tools/clippy/clippy_lints/src/methods/stable_sort_primitive.rs
 ./compiler/rustc_ty_utils/src/lib.rs
 ./src/tools/rust-analyzer/crates/project-model/src/build_scripts.rs
 ./src/tools/rust-analyzer/crates/flycheck/src/lib.rs
 ./compiler/rustc_ast_lowering/src/expr.rs
 ./src/tools/clippy/clippy_lints/src/unit_types/unit_arg.rs
 ./src/librustdoc/clean/types/tests.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_float_to_int.rs
 ./src/tools/clippy/clippy_lints/src/methods/clone_on_copy.rs
 ./src/tools/replace-version-placeholder/src/main.rs
 ./src/tools/replace-version-placeholder/src/main.rs
 ./src/tools/rust-installer/src/generator.rs
 ./library/backtrace/src/symbolize/gimli/elf.rs
 ./library/std/src/sync/mpmc/array.rs
 ./library/std/src/sync/mpmc/list.rs
 ./compiler/rustc_expand/src/tests.rs
 ./src/tools/tidy/src/unit_tests.rs
 ./src/tools/rust-analyzer/crates/ide-assists/src/handlers/expand_glob_import.rs
 ./src/tools/rust-analyzer/crates/ide-assists/src/handlers/expand_glob_import.rs
 ./src/tools/build-manifest/src/checksum.rs
 ./src/tools/cargo/crates/cargo-util/src/process_builder.rs
 ./library/std/src/sys/windows/path.rs
 ./src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs
 ./src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/type_mismatch.rs
 ./src/tools/rust-analyzer/crates/ide/src/highlight_related.rs
 ./src/tools/clippy/clippy_lints/src/methods/unit_hash.rs
 ./src/tools/clippy/clippy_lints/src/operators/needless_bitwise_bool.rs
 ./compiler/rustc_middle/src/util/bug.rs
 ./src/tools/clippy/clippy_lints/src/methods/unnecessary_lazy_eval.rs
 ./src/tools/clippy/clippy_lints/src/methods/iter_skip_next.rs
 ./compiler/rustc_incremental/src/persist/save.rs
 ./src/tools/clippy/clippy_lints/src/types/redundant_allocation.rs
 ./compiler/rustc_infer/src/infer/opaque_types/table.rs
 ./src/tools/cargo/tests/testsuite/main.rs
 ./src/tools/clippy/clippy_lints/src/functions/must_use.rs
 ./compiler/rustc_hir_typeck/src/cast.rs
 ./src/tools/rustfmt/src/test/configuration_snippet.rs
 ./src/tools/cargo/tests/testsuite/git.rs
 ./src/tools/cargo/tests/testsuite/git.rs
 ./compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
 ./compiler/rustc_resolve/src/ident.rs
 ./compiler/rustc_resolve/src/ident.rs
 ./src/librustdoc/clean/utils.rs
 ./src/tools/clippy/clippy_lints/src/misc_early/zero_prefixed_literal.rs
 ./compiler/rustc_span/src/profiling.rs
 ./compiler/rustc_codegen_cranelift/src/intrinsics/llvm_x86.rs
 ./compiler/rustc_codegen_cranelift/src/intrinsics/simd.rs
 ./src/tools/clippy/clippy_lints/src/transmute/useless_transmute.rs
 ./src/tools/rust-analyzer/crates/ide/src/runnables.rs
 ./src/tools/clippy/clippy_lints/src/unit_types/let_unit_value.rs
 ./compiler/rustc_parse/src/lexer/mod.rs
 ./src/tools/rustfmt/tests/target/issue-1681.rs
 ./src/tools/rustfmt/tests/target/issue-1681.rs
 ./src/tools/clippy/clippy_lints/src/operators/verbose_bit_mask.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmutes_expressible_as_ptr_casts.rs
 ./src/tools/clippy/clippy_lints/src/transmute/transmute_ptr_to_ptr.rs
 ./src/tools/clippy/clippy_lints/src/casts/as_underscore.rs
 ./src/tools/rustfmt/tests/source/issue-2896.rs
 ./src/tools/rustfmt/tests/target/issue-2896.rs
 ./src/tools/rustfmt/tests/source/issue-2896.rs
 ./src/tools/rustfmt/tests/target/issue-2896.rs
 ./src/tools/rustfmt/config_proc_macro/src/item_enum.rs
 ./compiler/rustc_trait_selection/src/traits/error_reporting/on_unimplemented.rs
 ./compiler/rustc_mir_build/src/thir/cx/expr.rs
 ./compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/native

[oli-obk]

I think we should change

rust/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs

Line 133 in 8574880

span_bug!(span, "no type for local variable {}", self.tcx.hir().node_to_string(nid))

to a tcx.ty_error_with_message()