Rollup merge of #136395 - ChrisDenton:rand-0-9, r=Mark-Simulacrum

Update to rand 0.9.0

Changes include:

- `thread_rng` has been renamed to `rng`
- `Standard` has been renamed to `StandardUniform`
- `gen`, `gen_range`, `gen_bool` have been renamed to `random`, `random_range` and `random_bool` respectively.

5 files changed, 49 insertions, 21 deletions

diff --git a/src/etc/test-float-parse/Cargo.toml b/src/etc/test-float-parse/Cargo.toml
index 56cb5cddeea..bacb9e09f3f 100644
--- a/src/etc/test-float-parse/Cargo.toml
+++ b/src/etc/test-float-parse/Cargo.toml
@@ -7,8 +7,8 @@ publish = false
 [dependencies]
 indicatif = { version = "0.17.8", default-features = false }
 num = "0.4.3"
-rand = "0.8.5"
-rand_chacha = "0.3"
+rand = "0.9.0"
+rand_chacha = "0.9.0"
 rayon = "1"
 
 [lib]
diff --git a/src/etc/test-float-parse/src/gen/fuzz.rs b/src/etc/test-float-parse/src/gen/fuzz.rs
index 7fc999d1671..1d6c5562a14 100644
--- a/src/etc/test-float-parse/src/gen/fuzz.rs
+++ b/src/etc/test-float-parse/src/gen/fuzz.rs
@@ -6,7 +6,7 @@ use std::ops::Range;
 use std::sync::Mutex;
 
 use rand::Rng;
-use rand::distributions::{Distribution, Standard};
+use rand::distr::{Distribution, StandardUniform};
 use rand_chacha::ChaCha8Rng;
 use rand_chacha::rand_core::SeedableRng;
 
@@ -47,7 +47,7 @@ impl<F: Float> Fuzz<F> {
 
 impl<F: Float> Generator<F> for Fuzz<F>
 where
-    Standard: Distribution<<F as Float>::Int>,
+    StandardUniform: Distribution<<F as Float>::Int>,
 {
     const SHORT_NAME: &'static str = "fuzz";
 
@@ -74,13 +74,13 @@ where
 
 impl<F: Float> Iterator for Fuzz<F>
 where
-    Standard: Distribution<<F as Float>::Int>,
+    StandardUniform: Distribution<<F as Float>::Int>,
 {
     type Item = <Self as Generator<F>>::WriteCtx;
 
     fn next(&mut self) -> Option<Self::Item> {
         let _ = self.iter.next()?;
-        let i: F::Int = self.rng.gen();
+        let i: F::Int = self.rng.random();
 
         Some(F::from_bits(i))
     }
diff --git a/src/etc/test-float-parse/src/gen/many_digits.rs b/src/etc/test-float-parse/src/gen/many_digits.rs
index aab8d5d704b..741e11437fe 100644
--- a/src/etc/test-float-parse/src/gen/many_digits.rs
+++ b/src/etc/test-float-parse/src/gen/many_digits.rs
@@ -3,7 +3,7 @@ use std::fmt::Write;
 use std::marker::PhantomData;
 use std::ops::{Range, RangeInclusive};
 
-use rand::distributions::{Distribution, Uniform};
+use rand::distr::{Distribution, Uniform};
 use rand::{Rng, SeedableRng};
 use rand_chacha::ChaCha8Rng;
 
@@ -40,7 +40,7 @@ impl<F: Float> Generator<F> for RandDigits<F> {
 
     fn new() -> Self {
         let rng = ChaCha8Rng::from_seed(SEED);
-        let range = Uniform::from(0..10);
+        let range = Uniform::try_from(0..10).unwrap();
 
         Self { rng, iter: 0..ITERATIONS, uniform: range, marker: PhantomData }
     }
@@ -55,11 +55,11 @@ impl<F: Float> Iterator for RandDigits<F> {
 
     fn next(&mut self) -> Option<Self::Item> {
         let _ = self.iter.next()?;
-        let num_digits = self.rng.gen_range(POSSIBLE_NUM_DIGITS);
-        let has_decimal = self.rng.gen_bool(0.2);
-        let has_exp = self.rng.gen_bool(0.2);
+        let num_digits = self.rng.random_range(POSSIBLE_NUM_DIGITS);
+        let has_decimal = self.rng.random_bool(0.2);
+        let has_exp = self.rng.random_bool(0.2);
 
-        let dec_pos = if has_decimal { Some(self.rng.gen_range(0..num_digits)) } else { None };
+        let dec_pos = if has_decimal { Some(self.rng.random_range(0..num_digits)) } else { None };
 
         let mut s = String::with_capacity(num_digits);
 
@@ -75,7 +75,7 @@ impl<F: Float> Iterator for RandDigits<F> {
         }
 
         if has_exp {
-            let exp = self.rng.gen_range(EXP_RANGE);
+            let exp = self.rng.random_range(EXP_RANGE);
             write!(s, "e{exp}").unwrap();
         }
 
diff --git a/src/etc/test-float-parse/src/lib.rs b/src/etc/test-float-parse/src/lib.rs
index def66398d9f..e2f84b085c6 100644
--- a/src/etc/test-float-parse/src/lib.rs
+++ b/src/etc/test-float-parse/src/lib.rs
@@ -10,7 +10,7 @@ use std::sync::OnceLock;
 use std::sync::atomic::{AtomicU64, Ordering};
 use std::{fmt, time};
 
-use rand::distributions::{Distribution, Standard};
+use rand::distr::{Distribution, StandardUniform};
 use rayon::prelude::*;
 use time::{Duration, Instant};
 use traits::{Float, Generator, Int};
@@ -132,7 +132,7 @@ fn register_float<F: Float>(tests: &mut Vec<TestInfo>, cfg: &Config)
 where
     RangeInclusive<F::Int>: Iterator<Item = F::Int>,
     <F::Int as TryFrom<u128>>::Error: std::fmt::Debug,
-    Standard: Distribution<<F as traits::Float>::Int>,
+    StandardUniform: Distribution<<F as traits::Float>::Int>,
 {
     if F::BITS <= MAX_BITS_FOR_EXHAUUSTIVE {
         // Only run exhaustive tests if there is a chance of completion.
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 51e58b4e4fc..5434e708bb7 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -1,11 +1,12 @@
 //! Checks the licenses of third-party dependencies.
 
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use std::fs::{File, read_dir};
 use std::io::Write;
 use std::path::Path;
 
 use build_helper::ci::CiEnv;
+use cargo_metadata::semver::Version;
 use cargo_metadata::{Metadata, Package, PackageId};
 
 #[path = "../../../bootstrap/src/utils/proc_macro_deps.rs"]
@@ -446,6 +447,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[
     "windows_x86_64_gnu",
     "windows_x86_64_gnullvm",
     "windows_x86_64_msvc",
+    "wit-bindgen-rt@0.33.0", // via wasi
     "writeable",
     "yoke",
     "yoke-derive",
@@ -803,7 +805,17 @@ fn check_permitted_dependencies(
 
     // Check that the PERMITTED_DEPENDENCIES does not have unused entries.
     for permitted in permitted_dependencies {
-        if !deps.iter().any(|dep_id| &pkg_from_id(metadata, dep_id).name == permitted) {
+        fn compare(pkg: &Package, permitted: &str) -> bool {
+            if let Some((name, version)) = permitted.split_once("@") {
+                let Ok(version) = Version::parse(version) else {
+                    return false;
+                };
+                pkg.name == name && pkg.version == version
+            } else {
+                pkg.name == permitted
+            }
+        }
+        if !deps.iter().any(|dep_id| compare(pkg_from_id(metadata, dep_id), permitted)) {
             tidy_error!(
                 bad,
                 "could not find allowed package `{permitted}`\n\
@@ -814,14 +826,30 @@ fn check_permitted_dependencies(
     }
 
     // Get in a convenient form.
-    let permitted_dependencies: HashSet<_> = permitted_dependencies.iter().cloned().collect();
+    let permitted_dependencies: HashMap<_, _> = permitted_dependencies
+        .iter()
+        .map(|s| {
+            if let Some((name, version)) = s.split_once('@') {
+                (name, Version::parse(version).ok())
+            } else {
+                (*s, None)
+            }
+        })
+        .collect();
 
     for dep in deps {
         let dep = pkg_from_id(metadata, dep);
         // If this path is in-tree, we don't require it to be explicitly permitted.
-        if dep.source.is_some() && !permitted_dependencies.contains(dep.name.as_str()) {
-            tidy_error!(bad, "Dependency for {descr} not explicitly permitted: {}", dep.id);
-            has_permitted_dep_error = true;
+        if dep.source.is_some() {
+            let is_eq = if let Some(version) = permitted_dependencies.get(dep.name.as_str()) {
+                if let Some(version) = version { version == &dep.version } else { true }
+            } else {
+                false
+            };
+            if !is_eq {
+                tidy_error!(bad, "Dependency for {descr} not explicitly permitted: {}", dep.id);
+                has_permitted_dep_error = true;
+            }
         }
     }