Auto merge of #99203 - GuillaumeGomez:rollup-b2re0dv, r=GuillaumeGomez

Rollup of 10 pull requests

Successful merges:

 - #98789 (rustdoc-json-types: Clean up derives.)
 - #98848 (Build the Clippy book as part of x.py doc)
 - #99020 (check non_exhaustive attr and private fields for transparent types)
 - #99132 (Add some autolabels for A-bootstrap and T-infra)
 - #99148 (Clarify that [iu]size bounds were only defined for the target arch)
 - #99152 (Use CSS variables to handle theming (part 2))
 - #99168 (Add regression test for #74713)
 - #99176 (:arrow_up: rust-analyzer)
 - #99183 (Mention rust-analyzer maintainers when `proc_macro` bridge is changed)
 - #99185 (llvm-wrapper: adapt for LLVM API change)

Failed merges:

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

5 files changed, 271 insertions, 0 deletions

diff --git a/src/test/ui/const-generics/generic_const_exprs/issue-74713.rs b/src/test/ui/const-generics/generic_const_exprs/issue-74713.rs
new file mode 100644
index 00000000000..0bcb997d96c
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/issue-74713.rs
@@ -0,0 +1,8 @@
+fn bug<'a>()
+where
+    [(); { //~ ERROR mismatched types
+        let _: &'a (); //~ ERROR a non-static lifetime is not allowed in a `const`
+    }]:
+{}
+
+fn main() {}
diff --git a/src/test/ui/const-generics/generic_const_exprs/issue-74713.stderr b/src/test/ui/const-generics/generic_const_exprs/issue-74713.stderr
new file mode 100644
index 00000000000..e7673df0a02
--- /dev/null
+++ b/src/test/ui/const-generics/generic_const_exprs/issue-74713.stderr
@@ -0,0 +1,22 @@
+error[E0658]: a non-static lifetime is not allowed in a `const`
+  --> $DIR/issue-74713.rs:4:17
+   |
+LL |         let _: &'a ();
+   |                 ^^
+   |
+   = note: see issue #76560 <https://github.com/rust-lang/rust/issues/76560> for more information
+   = help: add `#![feature(generic_const_exprs)]` to the crate attributes to enable
+
+error[E0308]: mismatched types
+  --> $DIR/issue-74713.rs:3:10
+   |
+LL |       [(); {
+   |  __________^
+LL | |         let _: &'a ();
+LL | |     }]:
+   | |_____^ expected `usize`, found `()`
+
+error: aborting due to 2 previous errors
+
+Some errors have detailed explanations: E0308, E0658.
+For more information about an error, try `rustc --explain E0308`.
diff --git a/src/test/ui/repr/auxiliary/repr-transparent-non-exhaustive.rs b/src/test/ui/repr/auxiliary/repr-transparent-non-exhaustive.rs
new file mode 100644
index 00000000000..4bf6b54fe07
--- /dev/null
+++ b/src/test/ui/repr/auxiliary/repr-transparent-non-exhaustive.rs
@@ -0,0 +1,18 @@
+#![crate_type = "lib"]
+
+pub struct Private { _priv: () }
+
+#[non_exhaustive]
+pub struct NonExhaustive {}
+
+#[non_exhaustive]
+pub enum NonExhaustiveEnum {}
+
+pub enum NonExhaustiveVariant {
+    #[non_exhaustive]
+    A,
+}
+
+pub struct ExternalIndirection<T> {
+    pub x: T,
+}
diff --git a/src/test/ui/repr/repr-transparent-non-exhaustive.rs b/src/test/ui/repr/repr-transparent-non-exhaustive.rs
new file mode 100644
index 00000000000..9ccd8610dad
--- /dev/null
+++ b/src/test/ui/repr/repr-transparent-non-exhaustive.rs
@@ -0,0 +1,96 @@
+#![deny(repr_transparent_external_private_fields)]
+
+// aux-build: repr-transparent-non-exhaustive.rs
+extern crate repr_transparent_non_exhaustive;
+
+use repr_transparent_non_exhaustive::{
+    Private,
+    NonExhaustive,
+    NonExhaustiveEnum,
+    NonExhaustiveVariant,
+    ExternalIndirection,
+};
+
+pub struct InternalPrivate {
+    _priv: (),
+}
+
+#[non_exhaustive]
+pub struct InternalNonExhaustive;
+
+pub struct InternalIndirection<T> {
+    x: T,
+}
+
+pub type Sized = i32;
+
+#[repr(transparent)]
+pub struct T1(Sized, InternalPrivate);
+#[repr(transparent)]
+pub struct T2(Sized, InternalNonExhaustive);
+#[repr(transparent)]
+pub struct T3(Sized, InternalIndirection<(InternalPrivate, InternalNonExhaustive)>);
+#[repr(transparent)]
+pub struct T4(Sized, ExternalIndirection<(InternalPrivate, InternalNonExhaustive)>);
+
+#[repr(transparent)]
+pub struct T5(Sized, Private);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T6(Sized, NonExhaustive);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T7(Sized, NonExhaustiveEnum);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T8(Sized, NonExhaustiveVariant);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T9(Sized, InternalIndirection<Private>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T10(Sized, InternalIndirection<NonExhaustive>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T11(Sized, InternalIndirection<NonExhaustiveEnum>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T12(Sized, InternalIndirection<NonExhaustiveVariant>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T13(Sized, ExternalIndirection<Private>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T14(Sized, ExternalIndirection<NonExhaustive>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T15(Sized, ExternalIndirection<NonExhaustiveEnum>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+#[repr(transparent)]
+pub struct T16(Sized, ExternalIndirection<NonExhaustiveVariant>);
+//~^ ERROR zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+//~| WARN this was previously accepted by the compiler
+
+fn main() {}
diff --git a/src/test/ui/repr/repr-transparent-non-exhaustive.stderr b/src/test/ui/repr/repr-transparent-non-exhaustive.stderr
new file mode 100644
index 00000000000..3b1e334a0cb
--- /dev/null
+++ b/src/test/ui/repr/repr-transparent-non-exhaustive.stderr
@@ -0,0 +1,127 @@
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:37:22
+   |
+LL | pub struct T5(Sized, Private);
+   |                      ^^^^^^^
+   |
+note: the lint level is defined here
+  --> $DIR/repr-transparent-non-exhaustive.rs:1:9
+   |
+LL | #![deny(repr_transparent_external_private_fields)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `Private`, which contains private fields, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:42:22
+   |
+LL | pub struct T6(Sized, NonExhaustive);
+   |                      ^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `NonExhaustive`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:47:22
+   |
+LL | pub struct T7(Sized, NonExhaustiveEnum);
+   |                      ^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveEnum`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:52:22
+   |
+LL | pub struct T8(Sized, NonExhaustiveVariant);
+   |                      ^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveVariant`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:57:22
+   |
+LL | pub struct T9(Sized, InternalIndirection<Private>);
+   |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `Private`, which contains private fields, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:62:23
+   |
+LL | pub struct T10(Sized, InternalIndirection<NonExhaustive>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `NonExhaustive`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:67:23
+   |
+LL | pub struct T11(Sized, InternalIndirection<NonExhaustiveEnum>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveEnum`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:72:23
+   |
+LL | pub struct T12(Sized, InternalIndirection<NonExhaustiveVariant>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveVariant`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:77:23
+   |
+LL | pub struct T13(Sized, ExternalIndirection<Private>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `Private`, which contains private fields, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:82:23
+   |
+LL | pub struct T14(Sized, ExternalIndirection<NonExhaustive>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this struct contains `NonExhaustive`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:87:23
+   |
+LL | pub struct T15(Sized, ExternalIndirection<NonExhaustiveEnum>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveEnum`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: zero-sized fields in repr(transparent) cannot contain external non-exhaustive types
+  --> $DIR/repr-transparent-non-exhaustive.rs:92:23
+   |
+LL | pub struct T16(Sized, ExternalIndirection<NonExhaustiveVariant>);
+   |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
+   = note: for more information, see issue #78586 <https://github.com/rust-lang/rust/issues/78586>
+   = note: this enum contains `NonExhaustiveVariant`, which is marked with `#[non_exhaustive]`, and makes it not a breaking change to become non-zero-sized in the future.
+
+error: aborting due to 12 previous errors
+