bjoernager/rust
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Gate rustc-specific code under a feature

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This commit is contained in:
Nadrieril 2023-12-11 20:46:35 +01:00
parent 42f4393824
commit 16bd6ac3ed
4 changed files with 41 additions and 16 deletions
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7
compiler/rustc_pattern_analysis/src/usefulness.rs
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@ -578,6 +578,7 @@ pub(crate) struct PatCtxt<'a, 'p, Cx: MatchCx> {
impl<'a, 'p, Cx: MatchCx> PatCtxt<'a, 'p, Cx> {
/// A `PatCtxt` when code other than `is_useful` needs one.
#[cfg_attr(not(feature = "rustc"), allow(dead_code))]
pub(crate) fn new_dummy(
cx: &'a Cx,
ty: Cx::Ty,
@ -601,7 +602,7 @@ impl<'a, 'p, Cx: MatchCx> fmt::Debug for PatCtxt<'a, 'p, Cx> {
/// - in the matrix, track whether a given place (aka column) is known to contain a valid value or
/// not.
#[derive(Debug, Copy, Clone, PartialEq, Eq)]
pub(crate) enum ValidityConstraint {
pub enum ValidityConstraint {
ValidOnly,
MaybeInvalid,
/// Option for backwards compatibility: the place is not known to be valid but we allow omitting
@ -610,7 +611,7 @@ pub(crate) enum ValidityConstraint {
}
impl ValidityConstraint {
pub(crate) fn from_bool(is_valid_only: bool) -> Self {
pub fn from_bool(is_valid_only: bool) -> Self {
if is_valid_only { ValidOnly } else { MaybeInvalid }
}
@ -1296,7 +1297,7 @@ pub struct UsefulnessReport<'p, Cx: MatchCx> {
/// Computes whether a match is exhaustive and which of its arms are useful.
#[instrument(skip(cx, arms, wildcard_arena), level = "debug")]
pub(crate) fn compute_match_usefulness<'p, Cx: MatchCx>(
pub fn compute_match_usefulness<'p, Cx: MatchCx>(
cx: &Cx,
arms: &[MatchArm<'p, Cx>],
scrut_ty: Cx::Ty,