syntax_data: {"ast_node_type":"other","tokens":[{"end":17,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // FIXME:
context_before:     Sparc SparcInlineAsmReg SparcInlineAsmRegClass {
context_after:         // - LLVM has reserve-{g,o,l,i}N feature to reserve each general-purpose registers.