Rollup of 6 pull requests

[Centril]

Successful merges:

• Make TokenStream less recursive. #57004 (Make TokenStream less recursive.)
• NLL: Add union justifications to conflicting borrows. #57102 (NLL: Add union justifications to conflicting borrows.)
• rustc: Place wasm linker args first instead of last #57337 (rustc: Place wasm linker args first instead of last)
• forbid manually impl'ing one of an object type's marker traits #57352 (forbid manually impl'ing one of an object type's marker traits)
• Always calculate glob map but only for glob uses #57392 (Always calculate glob map but only for glob uses)
• Add #[must_use] message to Iterator and Future #57549 (Add #[must_use] message to Iterator and Future)

Failed merges:

r? @ghost