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Test out parallel frontend via crater #146237

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Test out parallel frontend via crater #146237

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6 changes: 1 addition & 5 deletions compiler/rustc_session/src/options.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -2653,12 +2653,8 @@ written to standard error output)"),
#[rustc_lint_opt_deny_field_access("use `Session::lto` instead of this field")]
thinlto: Option<bool> = (None, parse_opt_bool, [TRACKED],
"enable ThinLTO when possible"),
/// We default to 1 here since we want to behave like
/// a sequential compiler for now. This'll likely be adjusted
/// in the future. Note that -Zthreads=0 is the way to get
/// the num_cpus behavior.
#[rustc_lint_opt_deny_field_access("use `Session::threads` instead of this field")]
threads: usize = (1, parse_threads, [UNTRACKED],
threads: usize = (std::thread::available_parallelism().map_or(1, NonZero::get), parse_threads, [UNTRACKED],
"use a thread pool with N threads"),
time_llvm_passes: bool = (false, parse_bool, [UNTRACKED],
"measure time of each LLVM pass (default: no)"),
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