syntax_data: {"ast_node_type":"other","tokens":[{"end":32,"kind":"keyword","start":0,"text":"reg,"}]}
source_snippet:                             reg,
context_before:                         thir::InlineAsmOperand::In { reg, expr } => mir::InlineAsmOperand::In {
context_after:                             value: unpack!(block = this.as_local_operand(block, expr)),