Closed
Description
I parallelised check_crate()
in src/librustc_passes/rvalue_promotion.rs
. Then ran a test compile on the regex crate with cargo rustc -- -Z time-passes -Z query-threads=4
.
This caused an ICE saying:
thread '<unnamed>' panicked at 'end_activity() was called but a different activity was running', librustc/util/profiling.rs:179:17