bjoernager/rust
bjoernager/rust
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avoid embedding StabilityLevel::Unstable reason string into metadata multiple times

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This commit is contained in:
klensy 2022-07-01 18:20:46 +03:00
parent 1673f1450e
commit b38c94857d
5 changed files with 46 additions and 9 deletions
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7
compiler/rustc_passes/src/stability.rs
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@ -2,7 +2,7 @@
//! propagating default levels lexically from parent to children ast nodes.
use attr::StabilityLevel;
use rustc_attr::{self as attr, ConstStability, Stability, Unstable};
use rustc_attr::{self as attr, ConstStability, Stability, Unstable, UnstableReason};
use rustc_data_structures::fx::{FxHashMap, FxHashSet, FxIndexMap};
use rustc_errors::{struct_span_err, Applicability};
use rustc_hir as hir;
@ -634,12 +634,9 @@ fn stability_index(tcx: TyCtxt<'_>, (): ()) -> Index {
// while maintaining the invariant that all sysroot crates are unstable
// by default and are unable to be used.
if tcx.sess.opts.unstable_opts.force_unstable_if_unmarked {
let reason = "this crate is being loaded from the sysroot, an \
unstable location; did you mean to load this crate \
from crates.io via `Cargo.toml` instead?";
let stability = Stability {
level: attr::StabilityLevel::Unstable {
reason: Some(Symbol::intern(reason)),
reason: UnstableReason::Default,
issue: NonZeroU32::new(27812),
is_soft: false,
implied_by: None,