Auto merge of rust-lang#12584 - Veykril:attr-diag, r=Veykril

fix: attribute macros not being properly diagnosed

Closes rust-lang#12582

Auto merge of rust-lang#12515 - Veykril:rustc-proc-macros, r=Veykril

fix: Pass the build data to rustc_private crates

With this all proc-macros should resolve in rustc now when setting up the build script running command properly.

Auto merge of rust-lang#12475 - Veykril:trait-impl-completion, r=Veykril

fix: Fix trait impl completions using wrong insert position

Fixes rust-lang#12474

Auto merge of rust-lang#12409 - lowr:fix/usize-overflow, r=Veykril

fix overflow during type inference for tuple struct patterns

The following code causes integer overflow during type inference for (malformed) tuple struct patterns.

```rust
struct S(usize);
let S(.., a, b) = S(1);
```

It has been panicking only in debug builds, and working in a way in release builds but it was inconsistent with type inference for tuple patterns:

```rust
struct S(usize);
let S(.., a, b) = S(1); // a -> unknown, b -> usize
let (.., a, b) = (1,);  // a -> usize, b -> unknown
```

With this PR, the overflow no longer happens by utilizing `saturating_sub()` like in other places and type inference for tuple struct patterns is in line with that for tuple patterns.

Auto merge of rust-lang#12349 - lnicola:universal-vsix, r=lnicola

internal: Publish universal VSIX to make VS happy

Auto merge of rust-lang#12292 - jonas-schievink:bump-extension-versio…

…n, r=jonas-schievink

internal: Bump extension version

Auto merge of rust-lang#12242 - flodiebold:extension-description, r=f…

…lodiebold

Improve extension description and README

Auto merge of rust-lang#12187 - Veykril:completion-rev, r=Veykril

internal: More completion context refactoring

Auto merge of rust-lang#12133 - lnicola:crate-dashes, r=lnicola

internal: Fix crate names for release

Auto merge of rust-lang#12070 - rust-lang:message, r=matklad

minor: clarify error message

Clarify that the server is a whole is OK, and that it's only a single
requests that's dead