Add rustc_baked_icu_data crate.

compiler/rustc_baked_icu_data/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "rustc_baked_icu_data"
+version = "0.0.0"
+edition = "2021"
+
+[dependencies]
+icu_list = "1.0.0"
+icu_provider = "1.0.1"
+litemap = "0.6.0"

compiler/rustc_baked_icu_data/src/data/any.rs

@@ -0,0 +1,18 @@
+// @generated
+impl AnyProvider for BakedDataProvider {
+    fn load_any(&self, key: DataKey, req: DataRequest) -> Result<AnyResponse, DataError> {
+        const ANDLISTV1MARKER: ::icu_provider::DataKeyHash =
+            ::icu_list::provider::AndListV1Marker::KEY.hashed();
+        #[allow(clippy::match_single_binding)]
+        match key.hashed() {
+            ANDLISTV1MARKER => list::and_v1::DATA
+                .get_by(|k| req.locale.strict_cmp(k.as_bytes()).reverse())
+                .copied()
+                .map(AnyPayload::from_static_ref)
+                .ok_or(DataErrorKind::MissingLocale),
+            _ => Err(DataErrorKind::MissingDataKey),
+        }
+        .map_err(|e| e.with_req(key, req))
+        .map(|payload| AnyResponse { payload: Some(payload), metadata: Default::default() })
+    }
+}

compiler/rustc_baked_icu_data/src/data/list/mod.rs

@@ -0,0 +1,2 @@
+// @generated
+pub mod and_v1;

compiler/rustc_baked_icu_data/src/data/mod.rs

@@ -0,0 +1,25 @@
+// @generated
+mod list;
+/// This data provider was programmatically generated by [`icu_datagen`](
+/// https://unicode-org.github.io/icu4x-docs/doc/icu_datagen/enum.Out.html#variant.Module).
+#[non_exhaustive]
+pub struct BakedDataProvider;
+use ::icu_provider::prelude::*;
+impl DataProvider<::icu_list::provider::AndListV1Marker> for BakedDataProvider {
+    fn load(
+        &self,
+        req: DataRequest,
+    ) -> Result<DataResponse<::icu_list::provider::AndListV1Marker>, DataError> {
+        Ok(DataResponse {
+            metadata: Default::default(),
+            payload: Some(DataPayload::from_owned(zerofrom::ZeroFrom::zero_from(
+                *list::and_v1::DATA
+                    .get_by(|k| req.locale.strict_cmp(k.as_bytes()).reverse())
+                    .ok_or_else(|| {
+                        DataErrorKind::MissingLocale
+                            .with_req(::icu_list::provider::AndListV1Marker::KEY, req)
+                    })?,
+            ))),
+        })
+    }
+}

compiler/rustc_baked_icu_data/src/lib.rs

@@ -0,0 +1,17 @@
+//! Baked ICU data for eager translation support.
+//!
+#![allow(elided_lifetimes_in_paths)]
+
+// generated with:
+// ```text
+// icu4x-datagen -W --pretty --fingerprint --use-separate-crates --cldr-tag latest --icuexport-tag latest \
+// --format mod -l en es fr it ja pt ru tr zh-Hans zh-Hant -k list/and@1 -o src/data
+// ```
+
+mod data;
+
+pub use data::BakedDataProvider;
+
+pub fn baked_data_provider() -> BakedDataProvider {
+    data::BakedDataProvider
+}

src/tools/tidy/src/deps.rs

@@ -133,6 +133,10 @@
     "hashbrown",
     "hermit-abi",
     "humantime",
+    "icu_list",
+    "icu_locid",
+    "icu_provider",
+    "icu_provider_macros",
     "if_chain",
     "indexmap",
     "instant",
@@ -145,6 +149,7 @@
     "libc",
     "libloading",
     "libz-sys",
+    "litemap",
     "lock_api",
     "log",
     "matchers",
@@ -253,9 +258,16 @@
     "winapi-i686-pc-windows-gnu",
     "winapi-util",
     "winapi-x86_64-pc-windows-gnu",
+    "writeable",
     // this is a false-positive: it's only used by rustfmt, but because it's enabled through a
     // feature, tidy thinks it's used by rustc as well.
     "yansi-term",
+    "yoke",
+    "yoke-derive",
+    "zerofrom",
+    "zerofrom-derive",
+    "zerovec",
+    "zerovec-derive",
 ];
 
 const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[