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Enabling one tied target feature with -Ctarget-features silently enables them all #105111
Description
I tried this code: https://rust.godbolt.org/z/bKdTe4rGb
#[cfg(target_feature = "pacg")]
compile_error!{ "pacg enabled" }I expected to see this happen: with -Ctarget-feature=+paca I expect either an error requiring pacg to be enabled with paca, or some other diagnostic
Instead, this happened: pacg is silently enabled and the compile error is triggered. See also rust-lang/stdarch#1352 (comment)
Meta
rustc --version --verbose:
rustc 1.65.0 (897e37553 2022-11-02)
binary: rustc
commit-hash: 897e37553bba8b42751c67658967889d11ecd120
commit-date: 2022-11-02
host: x86_64-apple-darwin
release: 1.65.0
LLVM version: 15.0.0
Activity
tests: add test for rust-lang#105111
tests: add test for rust-lang#105111
tests: add test for rust-lang#105111
Rollup merge of rust-lang#130308 - davidtwco:tied-target-consolidatio…
Rollup merge of rust-lang#130308 - davidtwco:tied-target-consolidatio…
Rollup merge of rust-lang#130308 - davidtwco:tied-target-consolidatio…
Rollup merge of rust-lang#130308 - davidtwco:tied-target-consolidatio…
Unrolled build for rust-lang#130308
Rollup merge of rust-lang#130308 - davidtwco:tied-target-consolidatio…