Fixes rust-lang#72386

This type also needs to get allocated on the `librustc_middle` arena
when we deserialize MIR.

…tead of `NodeId`

…of `NodeId`

…r `Copy` types

Add missing ASM arena declarations to librustc_middle

Fixes rust-lang#72386

These types also need to get allocated on the `librustc_middle` arena
when we deserialize MIR.

@Amanieu: If we end up using your approach in rust-lang#72392 instead, feel free to copy the test I added over to your PR.

…, r=ecstatic-morse

Remove all uses of `NodeId` in `ResolverOutputs`

cc rust-lang#50928

r? @ecstatic-morse

add warning sign to UB examples

Just to make it less likely that people miss the fact that these are examples for how to *not* do it.

Impl Ord for proc_macro::LineColumn

```rust
impl Ord for LineColumn {...}
impl PartialOrd for LineColumn {...}
```

for https://doc.rust-lang.org/nightly/proc_macro/struct.LineColumn.html.

The ordering is the natural one you would get by writing one line after another, where we compare line first, then compare columns within the same line.

Add some regression tests

Closes rust-lang#69415
Closes rust-lang#72455

r? @matthewjasper

Correct small typo: 'not' -> 'note'