1.46.0-nightly panics on a particular proc macro invocation #73993

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1. drahnr

   added

   C-bugCategory: This is a bug.Category: This is a bug.

   on Jul 3, 2020
2. drahnr

   changed the title [-]1.46.0-nightly panics[/-] [+]1.46.0-nightly panics on certain lang constructs[/+] on Jul 3, 2020
3. drahnr

   changed the title [-]1.46.0-nightly panics on certain lang constructs[/-] [+]1.46.0-nightly panics on a particular multi crate setup[/+] on Jul 3, 2020
4. drahnr

   changed the title [-]1.46.0-nightly panics on a particular multi crate setup[/-] [+]1.46.0-nightly panics on a particular macro_rules! invocation[/+] on Jul 3, 2020
5. drahnr

   changed the title [-]1.46.0-nightly panics on a particular macro_rules! invocation[/-] [+]1.46.0-nightly panics on a particular construct_runtime invocation[/+] on Jul 3, 2020
6. drahnr

   changed the title [-]1.46.0-nightly panics on a particular construct_runtime invocation[/-] [+]1.46.0-nightly panics on a particular proc macro invocation[/+] on Jul 3, 2020
7. jonas-schievink

   added

   A-MIRArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.htmlArea: Mid-level IR (MIR) - https://blog.rust-lang.org/2016/04/19/MIR.html

   A-mir-optArea: MIR optimizationsArea: MIR optimizations

   I-ICEIssue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️

   T-compilerRelevant to the compiler team, which will review and decide on the PR/issue.Relevant to the compiler team, which will review and decide on the PR/issue.

   E-needs-mcveCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable ExampleCall for participation: This issue has a repro, but needs a Minimal Complete and Verifiable Example

   I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}Issue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}

   on Jul 3, 2020
8. jonas-schievink commented on Jul 3, 2020

   

   jonas-schievink

   on Jul 3, 2020

   Contributor

   More actions

   cc @wesleywiser @oli-obk
9. apopiak commented on Jul 3, 2020

   

   apopiak

   on Jul 3, 2020

   More actions

   $ RUST_BACKTRACE=1 cargo build --release -p edgeware-runtime
      Compiling edgeware-runtime v3.0.0 (edgeware-node/node/runtime)
      Compiling pallet-authorship v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-finality-tracker v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-utility v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-randomness-collective-flip v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-collective v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-multisig v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-indices v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling pallet-sudo v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
   error: failed to run custom build command for `edgeware-runtime v3.0.0 (edgeware-node/node/runtime)`
   
   Caused by:
     process didn't exit successfully: `edgeware-node/target/release/build/edgeware-runtime-7e6efc23021a0699/build-script-build` (exit code: 1)
   --- stdout
   Executing build command: "rustup" "run" "nightly" "cargo" "rustc" "--target=wasm32-unknown-unknown" "--manifest-path=edgeware-node/target/release/wbuild/edgeware-runtime/Cargo.toml" "--color=always" "--release"
   
   --- stderr
      Compiling wasm-build-runner-impl v1.0.0 (edgeware-node/target/release/wbuild-runner/edgeware-runtime16727120478097692426)
       Finished release [optimized] target(s) in 1.43s
        Running `edgeware-node/target/release/wbuild-runner/edgeware-runtime16727120478097692426/target/x86_64-unknown-linux-gnu/release/wasm-build-runner-impl`
      Compiling sp-arithmetic v2.0.0 (https://github.com/hicommonwealth/substrate.git?rev=00a400f82539e2f78e8ddbcd98aea512c87c5f3c#00a400f8)
      Compiling primitive-types v0.7.2
      Compiling primitive-types v0.6.2
      Compiling sp-npos-elections v2.0.0-rc3 (https://github.com/hicommonwealth/substrate.git?branch=apopiak-migrations-extraction#6df42b9a)
      Compiling finality-grandpa v0.12.3
   thread 'rustc' panicked at 'if we got here, it must be const', src/librustc_mir/transform/const_prop.rs:1006:34
   stack backtrace:
      0: backtrace::backtrace::libunwind::trace
                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
      1: backtrace::backtrace::trace_unsynchronized
                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
      2: std::sys_common::backtrace::_print_fmt
                at src/libstd/sys_common/backtrace.rs:78
      3: <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt
                at src/libstd/sys_common/backtrace.rs:59
      4: core::fmt::write
                at src/libcore/fmt/mod.rs:1076
      5: std::io::Write::write_fmt
                at src/libstd/io/mod.rs:1537
      6: std::sys_common::backtrace::_print
                at src/libstd/sys_common/backtrace.rs:62
      7: std::sys_common::backtrace::print
                at src/libstd/sys_common/backtrace.rs:49
      8: std::panicking::default_hook::{{closure}}
                at src/libstd/panicking.rs:198
      9: std::panicking::default_hook
                at src/libstd/panicking.rs:217
     10: rustc_driver::report_ice
     11: std::panicking::rust_panic_with_hook
                at src/libstd/panicking.rs:524
     12: rust_begin_unwind
                at src/libstd/panicking.rs:431
     13: core::panicking::panic_fmt
                at src/libcore/panicking.rs:85
     14: core::option::expect_failed
                at src/libcore/option.rs:1261
     15: <rustc_mir::transform::const_prop::ConstPropagator as rustc_middle::mir::visit::MutVisitor>::visit_terminator::{{closure}}
     16: <rustc_mir::transform::const_prop::ConstPropagator as rustc_middle::mir::visit::MutVisitor>::visit_terminator
     17: <rustc_mir::transform::const_prop::ConstPropagator as rustc_middle::mir::visit::MutVisitor>::visit_body
     18: <rustc_mir::transform::const_prop::ConstProp as rustc_mir::transform::MirPass>::run_pass
     19: rustc_mir::transform::run_passes
     20: rustc_mir::transform::run_optimization_passes
     21: rustc_mir::transform::optimized_mir
     22: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::optimized_mir>::compute
     23: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
     24: rustc_data_structures::stack::ensure_sufficient_stack
     25: rustc_query_system::query::plumbing::get_query_impl
     26: rustc_middle::ty::<impl rustc_middle::ty::context::TyCtxt>::instance_mir
     27: rustc_mir::monomorphize::collector::collect_neighbours
     28: rustc_data_structures::stack::ensure_sufficient_stack
     29: rustc_mir::monomorphize::collector::collect_items_rec
     30: rustc_mir::monomorphize::collector::collect_crate_mono_items
     31: rustc_mir::monomorphize::partitioning::collect_and_partition_mono_items
     32: rustc_middle::ty::query::<impl rustc_query_system::query::config::QueryAccessors<rustc_middle::ty::context::TyCtxt> for rustc_middle::ty::query::queries::collect_and_partition_mono_items>::compute
     33: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
     34: rustc_query_system::query::plumbing::get_query_impl
     35: rustc_codegen_ssa::base::codegen_crate
     36: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate
     37: rustc_session::utils::<impl rustc_session::session::Session>::time
     38: rustc_interface::passes::start_codegen
     39: rustc_middle::ty::context::tls::enter_global
     40: rustc_interface::queries::Queries::ongoing_codegen
     41: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
     42: rustc_span::with_source_map
     43: rustc_interface::interface::run_compiler_in_existing_thread_pool
     44: scoped_tls::ScopedKey<T>::set
   note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
   
   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: rustc 1.46.0-nightly (3503f565e 2020-07-02) running on x86_64-unknown-linux-gnu
   
   note: compiler flags: -C opt-level=3 -C panic=abort -C linker-plugin-lto -C link-arg=--export-table -C link-arg=--export=__heap_base -C link-arg=--import-memory --crate-type rlib
   
   note: some of the compiler flags provided by cargo are hidden
   
   query stack during panic:
   #0 [optimized_mir] optimizing MIR for `<fixed64::Fixed64 as core::ops::Div>::div`
   #1 [collect_and_partition_mono_items] collect_and_partition_mono_items
   end of query stack
   error: could not compile `sp-arithmetic`.
   
   To learn more, run the command again with --verbose.
   warning: build failed, waiting for other jobs to finish...
   error: build failed
   
   warning: build failed, waiting for other jobs to finish...
   error: build failed
   
10. wesleywiser

    self-assigned this

    on Jul 3, 2020
11. 29 remaining items

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12. spastorino

    added

    I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}Issue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}

    on Jul 15, 2020
13. spastorino commented on Jul 15, 2020

    

    spastorino

    on Jul 15, 2020

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    Assigning P-high as discussed as part of the Prioritization Working Group procedure and removing I-prioritize.
14. spastorino

    added

    P-highHigh priorityHigh priority

    and removed

    I-prioritizeIssue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}Issue needs a team member to assess the impact. Will be replaced by P-{low,medium,high,critical}

    on Jul 15, 2020
15. Manishearth

    added 4 commits that reference this issue on Jul 16, 2020

    Rollup merge of rust-lang#74221 - oli-obk:const_prop_ice, r=wesleywiser

    ...

    This issue will close once commit 0879a7f is merged into the 'master' branch.

    0879a7f

    Rollup merge of rust-lang#74221 - oli-obk:const_prop_ice, r=wesleywiser

    ...

    This issue will close once commit 1ed0b41 is merged into the 'master' branch.

    1ed0b41

    Rollup merge of rust-lang#74221 - oli-obk:const_prop_ice, r=wesleywiser

    ...

    This issue will close once commit 0a4036c is merged into the 'master' branch.

    0a4036c

    Rollup merge of rust-lang#74221 - oli-obk:const_prop_ice, r=wesleywiser

    ...

    This issue will close once commit a80559f is merged into the 'master' branch.

    a80559f
16. bors

    closed this as completedin a80559fon Jul 16, 2020
17. wesleywiser commented on Jul 22, 2020

    

    wesleywiser

    on Jul 22, 2020

    Member

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    Hi @apopiak and @drahnr, have either of you had a chance to upgrade to a recently nightly? I just wanted to confirm this is fixed for you.
18. GabrielMajeri commented on Jul 23, 2020

    

    GabrielMajeri

    on Jul 23, 2020

    Contributor

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    I've updated to rust version 1.47.0-nightly (bbebe73 2020-07-22), and tried compiling the crate which was triggering this ICE (sp-arithmetic). I no longer encounter an ICE, the crate compiles successfully.

    👍React with 👍1Reacted by Bernhard Schuster
19. drahnr commented on Jul 23, 2020

    

    drahnr

    on Jul 23, 2020

    ContributorAuthor

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    I can confirm rustc 1.47.0-nightly (bbebe7351 2020-07-22) is not throwing ICE 👍

    🎉React with 🎉1Reacted by Alexander Popiak
20. wesleywiser commented on Jul 23, 2020

    

    wesleywiser

    on Jul 23, 2020

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    Great, thank you!

    ❤️React with ❤️1Reacted by Alexander Popiak
21. pnkfelix

    added

    regression-from-stable-to-betaPerformance or correctness regression from stable to beta.Performance or correctness regression from stable to beta.

    and removed

    regression-from-stable-to-nightlyPerformance or correctness regression from stable to nightly.Performance or correctness regression from stable to nightly.

    on Jul 23, 2020