syntax_data: {"ast_node_type":"other","tokens":[{"end":110,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // (see <https://github.com/rust-lang/unsafe-code-guidelines/issues/385#issuecomment-1368055745>).
context_before:             // We can never add `noalias` in return position; that LLVM attribute has some very surprising semantics
context_after:             if no_alias && !is_return {