Assertion failed when building ring

[tinywombat765]

Code

Build ring. This isn't my library so I'm not sure what is causing the issue exactly. I'm specifically building latest master (7514f7a4170439527ac802f223fcd203593614c7) but version 0.16.16 also has the same error.

Meta

rustc --version --verbose:

rustc 1.50.0-nightly (6a889570e 2020-11-27)

Error output

thread 'rustc' panicked at 'assertion failed: `(left == right)`
  left: `DefId(0:1268 ~ ring[8a88]::digest::sha2::)`,
 right: `DefId(0:1269 ~ ring[8a88]::digest::sha2::::GFp_sha256_block_data_order)`', compiler/rustc_middle/src/hir/map/collector.rs:227:13
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

error: internal compiler error: unexpected panic

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 1.50.0-nightly (6a889570e 2020-11-27) running on x86_64-unknown-linux-gnu

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental --crate-type lib

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [index_hir] index HIR
#1 [hir_owner] HIR owner of `{misc#0}`
end of query stack
error: could not compile `ring`

Backtrace

stack backtrace:
   0: rust_begin_unwind
             at /rustc/6a889570e46c03d7b156ec08f3f4cb4d145924a3/library/std/src/panicking.rs:493:5
   1: core::panicking::panic_fmt
             at /rustc/6a889570e46c03d7b156ec08f3f4cb4d145924a3/library/core/src/panicking.rs:92:14
   2: rustc_middle::hir::map::collector::NodeCollector::insert_entry
   3: rustc_hir::intravisit::walk_item
   4: <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item
   5: rustc_hir::intravisit::walk_item
   6: <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item
   7: rustc_hir::intravisit::walk_item
   8: <rustc_middle::hir::map::collector::NodeCollector as rustc_hir::intravisit::Visitor>::visit_item
   9: rustc_middle::hir::map::index_hir
  10: rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps
  11: rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task
  12: rustc_data_structures::stack::ensure_sufficient_stack
  13: rustc_query_system::query::plumbing::get_query_impl
  14: core::ops::function::FnOnce::call_once
  15: rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps
  16: rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task
  17: rustc_data_structures::stack::ensure_sufficient_stack
  18: rustc_query_system::query::plumbing::get_query_impl
  19: rustc_middle::hir::map::Map::expect_item
  20: rustc_middle::hir::map::Map::visit_item_likes_in_module
  21: rustc_passes::hir_id_validator::check_crate
  22: rustc_interface::passes::analysis
  23: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::analysis>::compute
  24: rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps
  25: rustc_query_system::dep_graph::graph::DepGraph<K>::with_eval_always_task
  26: rustc_data_structures::stack::ensure_sufficient_stack
  27: rustc_query_system::query::plumbing::get_query_impl
  28: rustc_interface::passes::QueryContext::enter
  29: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
  30: rustc_span::with_source_map
  31: scoped_tls::ScopedKey<T>::set

[jonas-schievink]

duplicate of #79487