thread 'coordinator' panicked at compiler/rustc_codegen_llvm/src/builder/autodiff.rs:128:34:
index out of bounds: the len is 2 but the index is 2
stack backtrace:
   0:     0x7f3c979d1775 - std::backtrace::Backtrace::create::hcc6ff394d6b955d6
   1:     0x7f3c979d16c5 - std::backtrace::Backtrace::force_capture::h07ed7af9e1baa9fd
   2:     0x7f3c94191989 - std[c965b0aa6c3056df]::panicking::update_hook::<alloc[d932a86623700fa6]::boxed::Box<rustc_driver_impl[9cf905ad5fc2f633]::install_ice_hook::{closure#1}>>::{closure#0}
   3:     0x7f3c979ee79b - std::panicking::rust_panic_with_hook::h7841a0c9dd31384d
   4:     0x7f3c979ee48a - std::panicking::begin_panic_handler::{{closure}}::h83c1a92f8f557062
   5:     0x7f3c979ea799 - std::sys::backtrace::__rust_end_short_backtrace::h7938b01b46b63f31
   6:     0x7f3c979ee11d - __rustc[b7e3ce0d707010f2]::rust_begin_unwind
   7:     0x7f3c94111550 - core::panicking::panic_fmt::hd8c0c8aacdff9232
   8:     0x7f3c94111712 - core::panicking::panic_bounds_check::he32f7782c810a92a
   9:     0x7f3c94549a25 - rustc_codegen_llvm[bce89ecd7059794]::builder::autodiff::differentiate
  10:     0x7f3c9464b5e9 - <rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend as rustc_codegen_ssa[7df531b5a2ead9db]::traits::write::WriteBackendMethods>::autodiff
  11:     0x7f3c945937cf - <rustc_codegen_ssa[7df531b5a2ead9db]::back::lto::LtoModuleCodegen<rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend>>::autodiff
  12:     0x7f3c9463d5ea - std[c965b0aa6c3056df]::sys::backtrace::__rust_begin_short_backtrace::<<rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend as rustc_codegen_ssa[7df531b5a2ead9db]::traits::backend::ExtraBackendMethods>::spawn_named_thread<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::start_executing_work<rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend>::{closure#5}, core[53647cb28d9a8e2]::result::Result<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::CompiledModules, ()>>::{closure#0}, core[53647cb28d9a8e2]::result::Result<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::CompiledModules, ()>>
  13:     0x7f3c94642467 - <<std[c965b0aa6c3056df]::thread::Builder>::spawn_unchecked_<<rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend as rustc_codegen_ssa[7df531b5a2ead9db]::traits::backend::ExtraBackendMethods>::spawn_named_thread<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::start_executing_work<rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend>::{closure#5}, core[53647cb28d9a8e2]::result::Result<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::CompiledModules, ()>>::{closure#0}, core[53647cb28d9a8e2]::result::Result<rustc_codegen_ssa[7df531b5a2ead9db]::back::write::CompiledModules, ()>>::{closure#1} as core[53647cb28d9a8e2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  14:     0x7f3c979f2e27 - std::sys::pal::unix::thread::Thread::new::thread_start::h208e5045c7868bf5
  15:     0x7f3c936a3579 - start_thread
                               at ./nptl/pthread_create.c:448:8
  16:     0x7f3c9371d858 - __GI___clone3
                               at /builddir/glibc-2.41/misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78:0
  17:                0x0 - <unknown>


rustc version: 1.90.0-nightly (c8780fff6 2025-07-11)
platform: x86_64-unknown-linux-gnuthread 'rustc' panicked at /home/sabrina/.local/src/enzyme-rust/compiler/rustc_codegen_ssa/src/back/write.rs:2048:17:
/home/sabrina/.local/src/enzyme-rust/compiler/rustc_codegen_ssa/src/back/write.rs:2048:17: panic during codegen/LLVM phase
stack backtrace:
   0:     0x7f3c979d1775 - std::backtrace::Backtrace::create::hcc6ff394d6b955d6
   1:     0x7f3c979d16c5 - std::backtrace::Backtrace::force_capture::h07ed7af9e1baa9fd
   2:     0x7f3c94191989 - std[c965b0aa6c3056df]::panicking::update_hook::<alloc[d932a86623700fa6]::boxed::Box<rustc_driver_impl[9cf905ad5fc2f633]::install_ice_hook::{closure#1}>>::{closure#0}
   3:     0x7f3c979ee79b - std::panicking::rust_panic_with_hook::h7841a0c9dd31384d
   4:     0x7f3c97442a31 - std[c965b0aa6c3056df]::panicking::begin_panic::<alloc[d932a86623700fa6]::string::String>::{closure#0}
   5:     0x7f3c97442246 - std[c965b0aa6c3056df]::sys::backtrace::__rust_end_short_backtrace::<std[c965b0aa6c3056df]::panicking::begin_panic<alloc[d932a86623700fa6]::string::String>::{closure#0}, !>
   6:     0x7f3c940d9c25 - std[c965b0aa6c3056df]::panicking::begin_panic::<alloc[d932a86623700fa6]::string::String>
   7:     0x7f3c973f3733 - rustc_middle[e08a5b757b72e5be]::util::bug::opt_span_bug_fmt::<rustc_span[77eec0292c158de8]::span_encoding::Span>::{closure#0}
   8:     0x7f3c973f0fee - rustc_middle[e08a5b757b72e5be]::ty::context::tls::with_opt::<rustc_middle[e08a5b757b72e5be]::util::bug::opt_span_bug_fmt<rustc_span[77eec0292c158de8]::span_encoding::Span>::{closure#0}, !>::{closure#0}
   9:     0x7f3c973f0fab - rustc_middle[e08a5b757b72e5be]::ty::context::tls::with_context_opt::<rustc_middle[e08a5b757b72e5be]::ty::context::tls::with_opt<rustc_middle[e08a5b757b72e5be]::util::bug::opt_span_bug_fmt<rustc_span[77eec0292c158de8]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
  10:     0x7f3c940bb7c2 - rustc_middle[e08a5b757b72e5be]::util::bug::bug_fmt
  11:     0x7f3c9464cb85 - <rustc_codegen_llvm[bce89ecd7059794]::LlvmCodegenBackend as rustc_codegen_ssa[7df531b5a2ead9db]::traits::backend::CodegenBackend>::join_codegen
  12:     0x7f3c944325dd - <rustc_session[e31657d8de1833ae]::session::Session>::time::<(rustc_codegen_ssa[7df531b5a2ead9db]::CodegenResults, indexmap[f276a117077b3f49]::map::IndexMap<rustc_query_system[faaf69be6e3ce6f9]::dep_graph::dep_node::WorkProductId, rustc_query_system[faaf69be6e3ce6f9]::dep_graph::graph::WorkProduct, core[53647cb28d9a8e2]::hash::BuildHasherDefault<rustc_hash[6e3d156247ef71f7]::FxHasher>>), <rustc_interface[c3cc7460e4a4ff2]::queries::Linker>::link::{closure#0}>
  13:     0x7f3c943bdcf8 - <rustc_interface[c3cc7460e4a4ff2]::queries::Linker>::link
  14:     0x7f3c94154c1d - rustc_interface[c3cc7460e4a4ff2]::interface::run_compiler::<(), rustc_driver_impl[9cf905ad5fc2f633]::run_compiler::{closure#0}>::{closure#1}
  15:     0x7f3c9414aeec - <scoped_tls[e1331b77299fe260]::ScopedKey<rustc_span[77eec0292c158de8]::SessionGlobals>>::set::<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_with_globals<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_pool_with_globals<rustc_interface[c3cc7460e4a4ff2]::interface::run_compiler<(), rustc_driver_impl[9cf905ad5fc2f633]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}::{closure#0}, ()>
  16:     0x7f3c941a6fff - std[c965b0aa6c3056df]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_with_globals<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_pool_with_globals<rustc_interface[c3cc7460e4a4ff2]::interface::run_compiler<(), rustc_driver_impl[9cf905ad5fc2f633]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
  17:     0x7f3c941559d6 - <<std[c965b0aa6c3056df]::thread::Builder>::spawn_unchecked_<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_with_globals<rustc_interface[c3cc7460e4a4ff2]::util::run_in_thread_pool_with_globals<rustc_interface[c3cc7460e4a4ff2]::interface::run_compiler<(), rustc_driver_impl[9cf905ad5fc2f633]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[53647cb28d9a8e2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  18:     0x7f3c979f2e27 - std::sys::pal::unix::thread::Thread::new::thread_start::h208e5045c7868bf5
  19:     0x7f3c936a3579 - start_thread
                               at ./nptl/pthread_create.c:448:8
  20:     0x7f3c9371d858 - __GI___clone3
                               at /builddir/glibc-2.41/misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78:0
  21:                0x0 - <unknown>