syntax_data: {"ast_node_type":"variable","tokens":[{"end":50,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let AsmMacro::Asm = asm_macro {
context_before:                 // unsafety, and `naked_asm!` does not itself need to be wrapped in an unsafe block.
context_after:                     self.requires_unsafe(expr.span, UseOfInlineAssembly);