Closed
Description
pub trait Tr {
type A = ();
}
pub struct S<T, U> {
data: T,
more_data: U,
}
impl<T: Tr + Copy> S<T, <T as Tr>::A> {
pub fn it_exists(&self) {
}
}
#[test]
fn test() {
let x = S {
data: (),
more_data: (),
};
x.it_exists();
}
:23:7: 23:18 error: no method named
it_exists
found for typeS<(), ()>
in the current scope
:23 x.it_exists();
^~~~~~~~~~~
error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
thread 'rustc' panicked at 'index out of bounds: the len is 6 but the index is 6', /Users/rustbuild/src/rust-buildbot/slave/nightly-dist-rustc-mac/build/src/libcollections/vec.rs:1360
stack backtrace:
1: 0x11207a7a5 - sys::backtrace::write::h29ef8ae2ab6f0002jbs
2: 0x112082fc0 - panicking::on_panic::hfbadaf349a878dcdyvw
3: 0x11203d948 - rt::unwind::begin_unwind_inner::hfdee7d48e374f632Qdw
4: 0x11203e74c - rt::unwind::begin_unwind_fmt::h3343ff9b52ac6df8Wcw
5: 0x112082b1c - rust_begin_unwind
6: 0x1120d8395 - panicking::panic_fmt::h77445f1832864594i5B
7: 0x1120d3128 - panicking::panic_bounds_check::h33c5d541561a6da1o4B
8: 0x10f280dfa - middle::infer::InferCtxt<'a, 'tcx>::shallow_resolve::hec4d196f2c799057xDB
9: 0x10f249ba7 - middle::infer::resolve::OpportunisticTypeResolver<'a, 'tcx>.ty_fold..TypeFolder<'tcx>::fold_ty::h2541942639a2619atBz
10: 0x10f24a6ee - middle::ty_fold::TypeFolder::fold_substs::h3224040725562002305
11: 0x10f309b87 - middle::traits::project::opt_normalize_projection_type::h5d4aae783bf615df0YR
12: 0x10f30626b - middle::traits::project::project_and_unify_type::hbd03945bb6618251VHR
13: 0x10f304077 - middle::infer::InferCtxt<'a, 'tcx>::commit_if_ok::h8565990550079113657
14: 0x10f2ffbfa - middle::traits::fulfill::FulfillmentContext<'tcx>::select::h759bfc9f06b00812AhR
15: 0x10f2ff95b - middle::traits::fulfill::FulfillmentContext<'tcx>::select_new_obligations::h35a7d27f6260a3dafgR
16: 0x10edfe833 - check::FnCtxt<'a, 'tcx>::select_new_obligations::h4a992210d28aa452nJp
17: 0x10ee24b3a - check::check_argument_types::h66437fbdecf2dddf9cq
18: 0x10ee265d4 - check::check_method_argument_types::h81b2e6032a5a41b3yaq
19: 0x10ee538fc - check::check_expr_with_unifier::check_method_call::hcb47f87ab6e4e6dcFMq
20: 0x10ee7eb48 - check::check_expr_with_unifier::h13869274471355282472
21: 0x10ee8fe18 - check::check_stmt::hbf2fba58f2402ce9Nms
22: 0x10ee3dae1 - check::check_block_with_expected::h5328c1bd4122b704Yqs
23: 0x10ee1ee88 - check::check_fn::hb8743989b71a8061yZn
24: 0x10ee37c36 - check::check_bare_fn::h7a4176e04b21d21a8On
25: 0x10ee35ac7 - check::check_item_body::h2e895edb8ec2cd0dZfo
26: 0x10ee37803 - check::check_item_types::hc3786f7c3f819a18FMn
27: 0x10eef828c - check_crate::h3859ff1cffe5ee82D8C
28: 0x10e7310ae - driver::phase_3_run_analysis_passes::h17aa11005a47f3a3HGa
29: 0x10e713cc3 - driver::compile_input::h7b180598a8644ea5Sba
30: 0x10e7d0094 - run_compiler::h47ece7857b98d974p6b