paste

thread 'rustc' panicked at 'assertion failed: i < this.fields.count()', src/librustc/ty/layout.rs:2098:17
stack backtrace:
   0: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
   1: core::fmt::write
   2: std::io::Write::write_fmt
   3: std::panicking::default_hook::{{closure}}
   4: std::panicking::default_hook
   5: rustc_driver::report_ice
   6: std::panicking::rust_panic_with_hook
   7: std::panicking::begin_panic
   8: rustc::ty::layout::<impl rustc_target::abi::TyLayoutMethods<C> for &rustc::ty::TyS>::field
   9: <rustc_target::abi::TyLayout<&rustc::ty::TyS> as rustc_codegen_llvm::type_of::LayoutLlvmExt>::scalar_pair_element_llvm_type
  10: rustc_codegen_ssa::base::unsized_info
  11: rustc_codegen_ssa::base::coerce_ptr_unsized
  12: rustc_codegen_ssa::mir::rvalue::<impl rustc_codegen_ssa::mir::FunctionCx<Bx>>::codegen_rvalue_operand
  13: rustc_codegen_ssa::mir::rvalue::<impl rustc_codegen_ssa::mir::FunctionCx<Bx>>::codegen_rvalue
  14: rustc_codegen_ssa::mir::codegen_mir
  15: rustc_codegen_ssa::base::codegen_instance
  16: <rustc::mir::mono::MonoItem as rustc_codegen_ssa::mono_item::MonoItemExt>::define
  17: rustc_codegen_llvm::base::compile_codegen_unit::module_codegen
  18: rustc::dep_graph::graph::DepGraph::with_task
  19: rustc_codegen_llvm::base::compile_codegen_unit
  20: rustc_codegen_ssa::base::codegen_crate
  21: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_utils::codegen_backend::CodegenBackend>::codegen_crate
  22: rustc::util::common::time
  23: rustc_interface::passes::start_codegen
  24: rustc::ty::context::tls::enter_global
  25: rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}
  26: rustc_interface::passes::create_global_ctxt::{{closure}}
  27: rustc_interface::passes::BoxedGlobalCtxt::enter
  28: rustc_interface::queries::Query<T>::compute
  29: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::ongoing_codegen
  30: rustc_interface::interface::run_compiler_in_existing_thread_pool
  31: std::thread::local::LocalKey<T>::with
  32: scoped_tls::ScopedKey<T>::set
  33: syntax::with_globals
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

error: internal compiler error: unexpected panic