ICE in allocator_api

[delamonpansie]

Code

#![feature(allocator_api)]
use bumpalo::Bump;
fn main() {
    let bump = Bump::new();
    let _ : Vec<Box<i64, &Bump>, &Bump> = Vec::new_in(&bump);
}

Meta

rustc --version --verbose:

rustc 1.52.0-nightly (3f5aee2d5 2021-02-12)
binary: rustc
commit-hash: 3f5aee2d5241139d808f4fdece0026603489afd1
commit-date: 2021-02-12
host: x86_64-unknown-linux-gnu
release: 1.52.0-nightly
LLVM version: 11.0.1

Error output

thread 'rustc' panicked at 'assertion failed: i < this.fields.count()', /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/compiler/rustc_middle/src/ty/layout.rs:2191:21
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 1.52.0-nightly (3f5aee2d5 2021-02-12) running on x86_64-unknown-linux-gnu

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

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

query stack during panic:
end of query stack

Backtrace

thread 'rustc' panicked at 'assertion failed: i < this.fields.count()', /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/compiler/rustc_middle/src/ty/layout.rs:2191:21
stack backtrace:
   0: rust_begin_unwind
             at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/std/src/panicking.rs:493:5
   1: core::panicking::panic_fmt
             at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/core/src/panicking.rs:92:14
   2: core::panicking::panic
             at /rustc/3f5aee2d5241139d808f4fdece0026603489afd1/library/core/src/panicking.rs:50:5
   3: rustc_middle::ty::layout::<impl rustc_target::abi::TyAndLayoutMethods<C> for &rustc_middle::ty::TyS>::field::ty_and_layout_kind
   4: <rustc_target::abi::TyAndLayout<&rustc_middle::ty::TyS> as rustc_codegen_llvm::type_of::LayoutLlvmExt>::scalar_pair_element_llvm_type
   5: <rustc_target::abi::TyAndLayout<&rustc_middle::ty::TyS> as rustc_codegen_llvm::type_of::LayoutLlvmExt>::scalar_pair_element_llvm_type
   6: rustc_codegen_llvm::type_of::uncached_llvm_type
   7: <rustc_target::abi::TyAndLayout<&rustc_middle::ty::TyS> as rustc_codegen_llvm::type_of::LayoutLlvmExt>::llvm_type
   8: <rustc_target::abi::TyAndLayout<&rustc_middle::ty::TyS> as rustc_codegen_llvm::type_of::LayoutLlvmExt>::llvm_type
   9: <rustc_target::abi::call::FnAbi<&rustc_middle::ty::TyS> as rustc_codegen_llvm::abi::FnAbiLlvmExt>::llvm_type
  10: rustc_codegen_llvm::mono_item::<impl rustc_codegen_ssa::traits::declare::PreDefineMethods for rustc_codegen_llvm::context::CodegenCx>::predefine_fn
  11: rustc_codegen_llvm::base::compile_codegen_unit::module_codegen
  12: rustc_middle::dep_graph::<impl rustc_query_system::dep_graph::DepKind for rustc_middle::dep_graph::dep_node::DepKind>::with_deps
  13: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task
  14: rustc_codegen_llvm::base::compile_codegen_unit
  15: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate
  16: rustc_session::utils::<impl rustc_session::session::Session>::time
  17: rustc_interface::queries::Queries::ongoing_codegen
  18: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
  19: rustc_span::with_source_map
  20: scoped_tls::ScopedKey<T>::set
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose 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 1.52.0-nightly (3f5aee2d5 2021-02-12) running on x86_64-unknown-linux-gnu

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

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

query stack during panic:
end of query stack

[osa1]

Probably a duplicate of #81246 and #78459.

[jyn514]

Closing since this is a duplicate.