Rollup of 6 pull requests

[matthiaskrgr]

Successful merges:

• Add vectored positioned I/O on Unix #89518 (Add vectored positioned I/O on Unix)
• Implement read_buf for a few more types #108326 (Implement read_buf for a few more types)
• add llvm cgu instructions stats to perf #108400 (add llvm cgu instructions stats to perf)
• Small cleanup to one_bound_for_assoc_type #108520 (Small cleanup to one_bound_for_assoc_type)
• Update books #108536 (Update books)
• Remove the capture_disjoint_fields feature #108550 (Remove the capture_disjoint_fields feature)

Failed merges:

r? @ghost
@rustbot modify labels: rollup

Create a similar rollup

[matthiaskrgr]

@bors r+ rollup=never p=6

[bors]

📌 Commit 6f9e75f has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 6f9e75f with merge 7d28c384ec210affdcd32b42aa1029c44f0f61ae...

[bors]

💔 Test failed - checks-actions

[rust-log-analyzer]

The job dist-various-2 failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

[RUSTC-TIMING] gimli test:false 4.056
[RUSTC-TIMING] object test:false 4.702
warning: dropping unsupported crate type `dylib` for target `wasm32-wasi`

error[E0599]: no method named `read_buf` found for struct `sys::wasi::net::TcpStream` in the current scope
    |
    |
623 |         self.0.read_buf(buf)
    |
   ::: library/std/src/sys/wasi/net.rs:15:1
    |
15  | pub struct TcpStream {
15  | pub struct TcpStream {
    | -------------------- method `read_buf` not found for this struct
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `io::Read` defines an item `read_buf`, perhaps you need to implement it
    |
554 | pub trait Read {
    | ^^^^^^^^^^^^^^


error[E0599]: no method named `read_buf` found for struct `sys::wasi::net::TcpStream` in the current scope
    |
    |
661 |         self.0.read_buf(buf)
    |
   ::: library/std/src/sys/wasi/net.rs:15:1
    |
15  | pub struct TcpStream {
15  | pub struct TcpStream {
    | -------------------- method `read_buf` not found for this struct
    |
    = help: items from traits can only be used if the trait is implemented and in scope
note: `io::Read` defines an item `read_buf`, perhaps you need to implement it
    |
554 | pub trait Read {
    | ^^^^^^^^^^^^^^