Closed
Description
openedon Oct 23, 2020
Thanks for all the work you've recently been doing to coverage - we seem to have one last hurdle before all our tests (closed source) pass with coverage enabled. (yes we use proc macros)
RUSTCFLAGS = -Zinstrument-coverage -Zprofile -Ccodegen-units=1 -Copt-level=0 -Clink-dead-code -Coverflow-checks=off
CARGO_INCREMENTAL=0
RUSTDOCFLAGS=-Cpanic=abort
cargo test --message-format=json -Ztimings=json,html,info -- -Zunstable-options --format json
test failed
thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', compiler/rustc_codegen_llvm/src/context.rs:328:35
stack backtrace:
0: rust_begin_unwind
at /rustc/043eca7f0b34d12e61c44206beca740628647080/library/std/src/panicking.rs:483:5
1: core::panicking::panic_fmt
at /rustc/043eca7f0b34d12e61c44206beca740628647080/library/core/src/panicking.rs:85:14
2: core::panicking::panic
at /rustc/043eca7f0b34d12e61c44206beca740628647080/library/core/src/panicking.rs:50:5
3: rustc_codegen_llvm::coverageinfo::<impl rustc_codegen_ssa::traits::coverageinfo::CoverageInfoBuilderMethods for rustc_codegen_llvm::builder::Builder>::add_counter_region
4: rustc_codegen_ssa::mir::block::<impl rustc_codegen_ssa::mir::FunctionCx<Bx>>::codegen_block
5: rustc_codegen_ssa::mir::codegen_mir
6: rustc_codegen_ssa::base::codegen_instance
7: <rustc_middle::mir::mono::MonoItem as rustc_codegen_ssa::mono_item::MonoItemExt>::define
8: rustc_codegen_llvm::base::compile_codegen_unit::module_codegen
9: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task
10: rustc_codegen_llvm::base::compile_codegen_unit
11: rustc_codegen_ssa::base::codegen_crate
12: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_ssa::traits::backend::CodegenBackend>::codegen_crate
13: rustc_session::utils::<impl rustc_session::session::Session>::time
14: rustc_interface::queries::Queries::ongoing_codegen
15: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
16: rustc_span::with_source_map
17: 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: rustc 1.49.0-nightly (043eca7f0 2020-10-17) running on x86_64-unknown-linux-gnu
note: compiler flags: -C codegen-units=1 -C embed-bitcode=no -C panic=abort --crate-type bin
query stack during panic:
end of query stack
Couldn't compile the test.
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