ICE when documenting crate that triggers PR 31362 warning #36747

pub use backend::glutin_backend::glutin;

pub use bar::std;
pub mod bar {
    extern crate std;
}

rustc 1.13.0-nightly (4f9812a59 2016-09-21)
binary: rustc
commit-hash: 4f9812a59ab7247f0f52b01ca89b0793a2d289c3
commit-date: 2016-09-21
host: x86_64-unknown-linux-gnu
release: 1.13.0-nightly

> RUST_BACKTRACE=1 cargo doc
 Documenting bug v0.1.0 (file:///home/vagrant/bug)
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/blob/master/CONTRIBUTING.md#bug-reports

note: run with `RUST_BACKTRACE=1` for a backtrace

thread 'rustc' panicked at 'no def-map entry for node id', ../src/libcore/option.rs:707
stack backtrace:
   1:     0x7ff4d311d612 - std::sys::backtrace::tracing::imp::write::h4b09e6e8c01db097
   2:     0x7ff4d312e42d - std::panicking::default_hook::{{closure}}::h1d3243f546573ff4
   3:     0x7ff4d312b87e - std::panicking::default_hook::h96c288d728df3ebf
   4:     0x7ff4d312bf68 - std::panicking::rust_panic_with_hook::hb1322e5f2588b4db
   5:     0x7ff4d312be02 - std::panicking::begin_panic::hfbeda5aad583dc32
   6:     0x7ff4d312bd40 - std::panicking::begin_panic_fmt::h4fe9fb9d5109c4bf
   7:     0x7ff4d312bcc1 - rust_begin_unwind
   8:     0x7ff4d317955c - core::panicking::panic_fmt::h4395919ece15c671
   9:     0x7ff4d31795d5 - core::option::expect_failed::h5dd2c705a513d3b5
  10:     0x7ff4d01ddf0f - rustc::ty::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::expect_def::h5c9a08fe67cca227
  11:     0x7ff4d3548549 - rustdoc::visit_ast::RustdocVisitor::maybe_inline_local::hf96126d6362d38ff
  12:     0x7ff4d354d851 - rustdoc::visit_ast::RustdocVisitor::visit_item::h2fadfa2767c0a66e
  13:     0x7ff4d3547db2 - rustdoc::visit_ast::RustdocVisitor::visit_mod_contents::h989fe16db7e9414a
  14:     0x7ff4d3545f55 - rustdoc::visit_ast::RustdocVisitor::visit::h39a640ec871ce22e
  15:     0x7ff4d35776c7 - rustdoc::core::run_core::{{closure}}::h33e9f2e8226a3e78
  16:     0x7ff4d3576095 - rustc_driver::driver::phase_3_run_analysis_passes::{{closure}}::hb3804c35ca7b47cd
  17:     0x7ff4d3451449 - rustc::ty::context::TyCtxt::create_and_enter::hf6c8264ec308c831
  18:     0x7ff4d34f492f - rustdoc::core::run_core::h3fbc8dc3bea0acb4
  19:     0x7ff4d3420730 - std::panicking::try::do_call::h3155b39d0d34d908
  20:     0x7ff4d3136326 - __rust_maybe_catch_panic
  21:     0x7ff4d3445d14 - <F as alloc::boxed::FnBox<A>>::call_box::hb7be029431bfcd04
  22:     0x7ff4d312a2d0 - std::sys::thread::Thread::new::thread_start::h022e3887023c6290
  23:     0x7ff4cb47b453 - start_thread
  24:     0x7ff4d2df87de - __GI___clone
  25:                0x0 - <unknown>

error: Could not document `bug`.

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