syntax_data: {"ast_node_type":"other","tokens":[{"end":34,"kind":"keyword","start":0,"text":"S390x(S390xInlineAsmRegClass),"}]}
source_snippet:     S390x(S390xInlineAsmRegClass),
context_before:     Mips(MipsInlineAsmRegClass),
context_after:     Sparc(SparcInlineAsmRegClass),