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ICE: using variable to index on const ref to static array #22540
Description
const TEST: &'static [usize] = &[0];
fn main() {
let n = 0;
TEST[n];
}stack backtrace:
1: 0x11112f7c3 - sys::backtrace::write::h758e31f43edeba51YoB
2: 0x11115d525 - panicking::on_panic::h64e08c3ac337d99aAGK
3: 0x11108eb28 - rt::unwind::begin_unwind_inner::hbe305651b0fb4548QnK
4: 0x10d5c0f55 - rt::unwind::begin_unwind::h11966735602550941006
5: 0x10d63f95f - trans::datum::Datum<'tcx, Expr>::to_lvalue_datum::ha6e7f9c51770741dbYf
6: 0x10d674a4c - trans::expr::trans_index::h24f970edf801dea70Ei
7: 0x10d660bc9 - trans::expr::trans_unadjusted::h60994bf53fc1f141mqi
8: 0x10d612beb - trans::expr::trans_into::h985f6b8ade1f0862jGh
9: 0x10d611a1b - trans::controlflow::trans_stmt_semi::hfa4945e6389f144c6de
10: 0x10d613683 - trans::controlflow::trans_block::h24750b7c4a4226dcXee
11: 0x10d6e9339 - trans::base::trans_closure::hc0a2577d0b8ff90aFiu
12: 0x10d5fd9b6 - trans::base::trans_fn::hdc6e33d20e22c94bWtu
13: 0x10d5f8d1d - trans::base::trans_item::h64db2b88677453d4PSu
14: 0x10d6efd1c - trans::base::trans_crate::h414eeb210dd461c6fQv
15: 0x10d47f9c8 - driver::phase_4_translate_to_llvm::h83cf15bb7798b7baiPa
16: 0x10d4598a6 - driver::compile_input::h5f42c7591ab1e8afEba
17: 0x10d533284 - run_compiler::h569cf29d11ba11b9Rbc
18: 0x10d530305 - thunk::F.Invoke<A, R>::invoke::h584465160991669811
19: 0x10d52efa0 - rt::unwind::try::try_fn::h36519155281163913
20: 0x1111d7329 - rust_try_inner
21: 0x1111d7316 - rust_try
22: 0x10d52f699 - thunk::F.Invoke<A, R>::invoke::h10026663398983596708
23: 0x111145d13 - sys::thread::thread_start::h0953ffc55eda2123CWF
24: 0x7fff98c93268 - _pthread_body
25: 0x7fff98c931e5 - _pthread_body
There are open bugs with similar backtraces, but otherwise the circumstances seem quite different.
Activity
reima commentedon Feb 21, 2015
This report is almost identical: #21847 (comment).
language changes and various cleanups.
Hack: Prevent ICE
mathall commentedon Mar 28, 2015
This is no longer reproducing for me.
rustc 1.0.0-nightly (199bdcf 2015-03-26) (built 2015-03-26)
steveklabnik commentedon Mar 28, 2015
Me neither.
Merge pull request rust-lang#22540 from lnicola/sync-from-rust