syntax_data: {"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"//!"}]}
source_snippet: //! It has to be run really early, before transformations like inlining, because
context_before: //! This pass adds validation calls (AcquireValid, ReleaseValid) where appropriate.
context_after: //! introducing these calls *adds* UB -- so, conceptually, this pass is actually part