ICE when dereferencing `Box<T, &A>`

[exrook]

Code

Playground Link

#![feature(allocator_api)]
use std::alloc::Global;

fn main() {
    // f(()) // no ICE
    f(32); // ICE
}

pub fn f<T>(val: T) {
    *Box::new_in(val, &Global);
}

Meta

rustc --version --verbose:

rustc 1.61.0-nightly (458262b13 2022-03-09)
binary: rustc
commit-hash: 458262b1315e0de7be940fe95e111bb045e4a2a4
commit-date: 2022-03-09
host: x86_64-unknown-linux-gnu
release: 1.61.0-nightly
LLVM version: 14.0.0

Error output

thread 'rustc' panicked at 'assertion failed: `(left == right)`
  left: `true`,
 right: `false`', compiler/rustc_codegen_llvm/src/builder.rs:470:9

Backtrace

   0: rust_begin_unwind
             at /rustc/458262b1315e0de7be940fe95e111bb045e4a2a4/library/std/src/panicking.rs:584:5
   1: core::panicking::panic_fmt
             at /rustc/458262b1315e0de7be940fe95e111bb045e4a2a4/library/core/src/panicking.rs:143:14
   2: core::panicking::assert_failed_inner
   3: core::panicking::assert_failed::<bool, bool>
   4: <rustc_codegen_llvm::builder::Builder as rustc_codegen_ssa::traits::builder::BuilderMethods>::load_operand
   5: <rustc_codegen_ssa::mir::FunctionCx<rustc_codegen_llvm::builder::Builder>>::codegen_rvalue_operand
   6: rustc_codegen_ssa::mir::codegen_mir::<rustc_codegen_llvm::builder::Builder>
   7: rustc_codegen_llvm::base::compile_codegen_unit::module_codegen
   8: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_span::symbol::Symbol, rustc_codegen_ssa::ModuleCodegen<rustc_codegen_llvm::ModuleLlvm>>
   9: rustc_codegen_llvm::base::compile_codegen_unit
  10: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate
  11: <rustc_session::session::Session>::time::<alloc::boxed::Box<dyn core::any::Any>, rustc_interface::passes::start_codegen::{closure#0}>
  12: <rustc_interface::passes::QueryContext>::enter::<<rustc_interface::queries::Queries>::ongoing_codegen::{closure#0}::{closure#0}, core::result::Result<alloc::boxed::Box<dyn core::any::Any>, rustc_errors::ErrorGuaranteed>>
  13: <rustc_interface::queries::Queries>::ongoing_codegen
  14: <rustc_interface::interface::Compiler>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
  15: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
  16: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
  17: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

query stack during panic:
end of query stack

[beepster4096]

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