syntax_data: {"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"self.requires_unsafe(expr.span,"}]}
source_snippet:                     self.requires_unsafe(expr.span, DerefOfRawPointer);
context_before:                 } else if self.thir[arg].ty.is_raw_ptr() {
context_after:                 }