syntax_data: {"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // registers, else the clobber ABI implementation is *unsound*, as
context_before:             // in the future. This must be reflected in the set of clobbered
context_after:             // this generates invalid code (register is not marked as clobbered