Closed
Description
Some time in the last 4 days a regression landed that triggers an ICE building rustc-benchmarks/syntex-0.42.2-incr-clean.
[fjord:~/moz/rustc-benchmarks/syntex-0.42.2-incr-clean] RUST_BACKTRACE=1 make
Compiling bitflags v0.5.0
Compiling log v0.3.6
Compiling syntex_pos v0.42.0
Compiling kernel32-sys v0.2.2
Compiling term v0.4.4
error: internal compiler error: unexpected panic
note: the compiler unexpectedly panicked. this is a bug.
note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports
note: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'no entry found for key', src/libcore/option.rs:705
stack backtrace:
1: 0x7fb00caefc6a - std::sys::imp::backtrace::tracing::imp::write::ha2156e11066602a2
at /home/njn/moz/rust0/src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:42
2: 0x7fb00cb01dcf - std::panicking::default_hook::{{closure}}::h70ebd8ce6bd75731
at /home/njn/moz/rust0/src/libstd/panicking.rs:247
3: 0x7fb00cafe5f3 - std::panicking::default_hook::h5a66a97d9aca6050
at /home/njn/moz/rust0/src/libstd/panicking.rs:257
4: 0x7fb00cafec97 - std::panicking::rust_panic_with_hook::h7b4ed9ff58bb9497
at /home/njn/moz/rust0/src/libstd/panicking.rs:451
5: 0x7fb00cafeb24 - std::panicking::begin_panic::hf257d154c8aadb7f
at /home/njn/moz/rust0/src/libstd/panicking.rs:413
6: 0x7fb00cafea49 - std::panicking::begin_panic_fmt::h35e3973a25c255f0
at /home/njn/moz/rust0/src/libstd/panicking.rs:397
7: 0x7fb00cafe9d7 - rust_begin_unwind
at /home/njn/moz/rust0/src/libstd/panicking.rs:373
8: 0x7fb00cb197fd - core::panicking::panic_fmt::h65ab8084124ed138
at /home/njn/moz/rust0/src/libcore/panicking.rs:69
9: 0x7fb00cb1986d - core::option::expect_failed::h3f88abc90d587e18
at /home/njn/moz/rust0/src/libcore/option.rs:705
10: 0x7fb00b38ba08 - <rustc_incremental::calculate_svh::IncrementalHashesMap as core::ops::Index<&'a rustc::dep_graph::dep_node::DepNode<rustc::hir::def_id::DefId>>>::index::h9f561c02704b6f4a
at /home/njn/moz/rust0/src/libcore/option.rs:293
at /home/njn/moz/rust0/src/libstd/collections/hash/map.rs:1258
at /home/njn/moz/rust0/src/librustc_incremental/calculate_svh/mod.rs:90
11: 0x7fb00b39a657 - rustc_incremental::persist::hash::HashContext::hash::hd460a12c1685a3c6
at /home/njn/moz/rust0/src/librustc_incremental/persist/hash.rs:72
12: 0x7fb00b3a6783 - rustc_incremental::persist::save::save_dep_graph::h00259af9a2a10815
at /home/njn/moz/rust0/src/librustc_incremental/persist/preds.rs:66
at /home/njn/moz/rust0/src/libstd/collections/hash/map.rs:1716
at /home/njn/moz/rust0/src/librustc_incremental/persist/preds.rs:65
at /home/njn/moz/rust0/src/librustc_incremental/persist/save.rs:48
13: 0x7fb00ce53171 - rustc_driver::driver::phase_4_translate_to_llvm::h65b6f5534c0d8fb0
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:1048
at /home/njn/moz/rust0/src/librustc/util/common.rs:38
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:1046
14: 0x7fb00ce89267 - rustc_driver::driver::compile_input::{{closure}}::hb68cd038e02f12b3
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:206
15: 0x7fb00ce862e7 - rustc_driver::driver::phase_3_run_analysis_passes::{{closure}}::h496227122396fecd
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:994
16: 0x7fb00ce47089 - rustc_driver::driver::phase_3_run_analysis_passes::hdd58cf84a69fd5d0
at /home/njn/moz/rust0/src/librustc/ty/context.rs:1019
at /home/njn/moz/rust0/src/libstd/thread/local.rs:245
at /home/njn/moz/rust0/src/librustc/ty/context.rs:1016
at /home/njn/moz/rust0/src/librustc/ty/context.rs:1003
at /home/njn/moz/rust0/src/libstd/thread/local.rs:245
at /home/njn/moz/rust0/src/librustc/ty/context.rs:1000
at /home/njn/moz/rust0/src/librustc/ty/context.rs:789
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:869
17: 0x7fb00ce39314 - rustc_driver::driver::compile_input::hcb176206a1acaa32
at /home/njn/moz/rust0/src/librustc_driver/driver.rs:173
18: 0x7fb00ce635b0 - rustc_driver::run_compiler::hc819c965890d033a
at /home/njn/moz/rust0/src/librustc_driver/lib.rs:222
19: 0x7fb00cd9bc88 - std::panicking::try::do_call::ha64b01218316c9fa
at /home/njn/moz/rust0/src/librustc_driver/lib.rs:1141
at /home/njn/moz/rust0/src/librustc_driver/lib.rs:138
at /home/njn/moz/rust0/src/librustc_driver/lib.rs:1075
at /home/njn/moz/rust0/src/libstd/panic.rs:295
at /home/njn/moz/rust0/src/libstd/panicking.rs:356
20: 0x7fb00cb09b6a - __rust_maybe_catch_panic
at /home/njn/moz/rust0/src/libpanic_unwind/lib.rs:97
21: 0x7fb00cdbf858 - <F as alloc::boxed::FnBox<A>>::call_box::habf47864505c2e68
at /home/njn/moz/rust0/src/libstd/panicking.rs:332
at /home/njn/moz/rust0/src/libstd/panic.rs:351
at /home/njn/moz/rust0/src/libstd/thread/mod.rs:287
at /home/njn/moz/rust0/src/liballoc/boxed.rs:595
22: 0x7fb00cafd864 - std::sys::imp::thread::Thread::new::thread_start::h874e50b4a500d4b2
at /home/njn/moz/rust0/src/liballoc/boxed.rs:605
at /home/njn/moz/rust0/src/libstd/sys_common/thread.rs:21
at /home/njn/moz/rust0/src/libstd/sys/unix/thread.rs:84
23: 0x7fb005b3d709 - start_thread
24: 0x7fb00c7ba82c - clone
25: 0x0 - <unknown>