Auto merge of #137927 - matthiaskrgr:rollup-yj463ns, r=matthiaskrgr

Rollup of 9 pull requests

Successful merges:

 - #132388 (Implement `#[cfg]` in `where` clauses)
 - #134900 (Fix parsing of ranges after unary operators)
 - #136938 (Remove `:` from `stack-protector-heuristics-effect.rs` Filecheck Pattern)
 - #137054 (Make phantom variance markers transparent)
 - #137525 (Simplify parallelization in test-float-parse)
 - #137618 (Skip `tidy` in pre-push hook if the user is deleting a remote branch)
 - #137741 (Stop using `hash_raw_entry` in `CodegenCx::const_str`)
 - #137849 (Revert "Remove Win SDK 10.0.26100.0 from CI")
 - #137862 (ensure we always print all --print options in help)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 12 insertions, 0 deletions

diff --git a/library/core/src/marker/variance.rs b/library/core/src/marker/variance.rs
index 23334e6575d..235f8a3bb79 100644
--- a/library/core/src/marker/variance.rs
+++ b/library/core/src/marker/variance.rs
@@ -136,6 +136,8 @@ phantom_lifetime! {
     /// For all `'a`, the following are guaranteed:
     /// * `size_of::<PhantomCovariantLifetime<'a>>() == 0`
     /// * `align_of::<PhantomCovariantLifetime<'a>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomCovariantLifetime<'a>(PhantomCovariant<&'a ()>);
     /// Zero-sized type used to mark a lifetime as contravariant.
     ///
@@ -149,6 +151,8 @@ phantom_lifetime! {
     /// For all `'a`, the following are guaranteed:
     /// * `size_of::<PhantomContravariantLifetime<'a>>() == 0`
     /// * `align_of::<PhantomContravariantLifetime<'a>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomContravariantLifetime<'a>(PhantomContravariant<&'a ()>);
     /// Zero-sized type used to mark a lifetime as invariant.
     ///
@@ -162,6 +166,8 @@ phantom_lifetime! {
     /// For all `'a`, the following are guaranteed:
     /// * `size_of::<PhantomInvariantLifetime<'a>>() == 0`
     /// * `align_of::<PhantomInvariantLifetime<'a>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomInvariantLifetime<'a>(PhantomInvariant<&'a ()>);
 }
 
@@ -179,6 +185,8 @@ phantom_type! {
     /// For all `T`, the following are guaranteed:
     /// * `size_of::<PhantomCovariant<T>>() == 0`
     /// * `align_of::<PhantomCovariant<T>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomCovariant<T>(PhantomData<fn() -> T>);
     /// Zero-sized type used to mark a type parameter as contravariant.
     ///
@@ -193,6 +201,8 @@ phantom_type! {
     /// For all `T`, the following are guaranteed:
     /// * `size_of::<PhantomContravariant<T>>() == 0`
     /// * `align_of::<PhantomContravariant<T>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomContravariant<T>(PhantomData<fn(T)>);
     /// Zero-sized type used to mark a type parameter as invariant.
     ///
@@ -206,6 +216,8 @@ phantom_type! {
     /// For all `T`, the following are guaranteed:
     /// * `size_of::<PhantomInvariant<T>>() == 0`
     /// * `align_of::<PhantomInvariant<T>>() == 1`
+    #[rustc_pub_transparent]
+    #[repr(transparent)]
     pub struct PhantomInvariant<T>(PhantomData<fn(T) -> T>);
 }