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add miri-test-libstd support to libstd

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This commit is contained in:
Ralf Jung 2022-08-03 22:48:12 -04:00
parent 8064a49508
commit ac66baad1a
2 changed files with 9 additions and 0 deletions
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1
library/alloc/src/lib.rs
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@ -60,6 +60,7 @@
// able to "empty" this crate. See <https://github.com/rust-lang/miri-test-libstd/issues/4>.
// rustc itself never sets the feature, so this line has no affect there.
#![cfg(any(not(feature = "miri-test-libstd"), test, doctest))]
//
#![allow(unused_attributes)]
#![stable(feature = "alloc", since = "1.36.0")]
#![doc(

8
library/std/src/lib.rs
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@ -187,6 +187,14 @@
//! [rust-discord]: https://discord.gg/rust-lang
//! [array]: prim@array
//! [slice]: prim@slice
// To run libstd tests without x.py without ending up with two copies of libstd, Miri needs to be
// able to "empty" this crate. See <https://github.com/rust-lang/miri-test-libstd/issues/4>.
// rustc itself never sets the feature, so this line has no affect there.
#![cfg(any(not(feature = "miri-test-libstd"), test, doctest))]
// miri-test-libstd also prefers to make std use the sysroot versions of the dependencies.
#![cfg_attr(feature = "miri-test-libstd", feature(rustc_private))]
//
#![cfg_attr(not(feature = "restricted-std"), stable(feature = "rust1", since = "1.0.0"))]
#![cfg_attr(feature = "restricted-std", unstable(feature = "restricted_std", issue = "none"))]
#![doc(