Auto merge of #120341 - matthiaskrgr:rollup-lvm59cj, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #118208 (Rewrite the BTreeMap cursor API using gaps)
 - #120099 (linker: Refactor library linking methods in `trait Linker`)
 - #120288 (Bump `askama` version)
 - #120306 (Clean up after clone3 removal from pidfd code (docs and tests))
 - #120316 (Don't call `walk_` functions directly if there is an equivalent `visit_` method)
 - #120330 (Remove coroutine info when building coroutine drop body)
 - #120332 (Remove unused struct)
 - #120338 (Fix links to [strict|exposed] provenance sections of `[std|core]::ptr`)

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

3 files changed, 0 insertions, 98 deletions

diff --git a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir
index 25bffbe2488..7214b01c601 100644
--- a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir
+++ b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir
@@ -1,25 +1,4 @@
 // MIR for `main::{closure#0}` 0 coroutine_drop
-/* coroutine_layout = CoroutineLayout {
-    field_tys: {
-        _0: CoroutineSavedTy {
-            ty: std::string::String,
-            source_info: SourceInfo {
-                span: $DIR/coroutine_drop_cleanup.rs:12:13: 12:15 (#0),
-                scope: scope[0],
-            },
-            ignore_for_traits: false,
-        },
-    },
-    variant_fields: {
-        Unresumed(0): [],
-        Returned (1): [],
-        Panicked (2): [],
-        Suspend0 (3): [_0],
-    },
-    storage_conflicts: BitMatrix(1x1) {
-        (_0, _0),
-    },
-} */
 
 fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:11:15: 11:17}) -> () {
     let mut _0: ();
diff --git a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir
index 2eac754b15c..00769a493b5 100644
--- a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir
+++ b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir
@@ -1,25 +1,4 @@
 // MIR for `main::{closure#0}` 0 coroutine_drop
-/* coroutine_layout = CoroutineLayout {
-    field_tys: {
-        _0: CoroutineSavedTy {
-            ty: std::string::String,
-            source_info: SourceInfo {
-                span: $DIR/coroutine_drop_cleanup.rs:12:13: 12:15 (#0),
-                scope: scope[0],
-            },
-            ignore_for_traits: false,
-        },
-    },
-    variant_fields: {
-        Unresumed(0): [],
-        Returned (1): [],
-        Panicked (2): [],
-        Suspend0 (3): [_0],
-    },
-    storage_conflicts: BitMatrix(1x1) {
-        (_0, _0),
-    },
-} */
 
 fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:11:15: 11:17}) -> () {
     let mut _0: ();
diff --git a/tests/ui/command/command-create-pidfd.rs b/tests/ui/command/command-create-pidfd.rs
deleted file mode 100644
index 4df443c66d6..00000000000
--- a/tests/ui/command/command-create-pidfd.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-// run-pass
-// only-linux - pidfds are a linux-specific concept
-
-#![feature(linux_pidfd)]
-#![feature(rustc_private)]
-
-extern crate libc;
-
-use std::io::Error;
-use std::os::linux::process::{ChildExt, CommandExt};
-use std::process::Command;
-
-fn has_clone3() -> bool {
-    let res = unsafe { libc::syscall(libc::SYS_clone3, 0, 0) };
-    let err = (res == -1)
-        .then(|| Error::last_os_error())
-        .expect("probe syscall should not succeed");
-
-    // If the `clone3` syscall is not implemented in the current kernel version it should return an
-    // `ENOSYS` error. Docker also blocks the whole syscall inside unprivileged containers, and
-    // returns `EPERM` (instead of `ENOSYS`) when a program tries to invoke the syscall. Because of
-    // that we need to check for *both* `ENOSYS` and `EPERM`.
-    //
-    // Note that Docker's behavior is breaking other projects (notably glibc), so they're planning
-    // to update their filtering to return `ENOSYS` in a future release:
-    //
-    //     https://github.com/moby/moby/issues/42680
-    //
-    err.raw_os_error() != Some(libc::ENOSYS) && err.raw_os_error() != Some(libc::EPERM)
-}
-
-fn main() {
-    // pidfds require the clone3 syscall
-    if !has_clone3() {
-        return;
-    }
-
-    // We don't assert the precise value, since the standard library
-    // might have opened other file descriptors before our code runs.
-    let _ = Command::new("echo")
-        .create_pidfd(true)
-        .spawn()
-        .unwrap()
-        .pidfd().expect("failed to obtain pidfd");
-
-    let _ = Command::new("echo")
-        .create_pidfd(false)
-        .spawn()
-        .unwrap()
-        .pidfd().expect_err("pidfd should not have been created when create_pid(false) is set");
-
-    let _ = Command::new("echo")
-        .spawn()
-        .unwrap()
-        .pidfd().expect_err("pidfd should not have been created");
-}