syntax_data: {"ast_node_type":"other","tokens":[{"end":84,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // MSVC does not special-case 1-element float aggregates, unlike others.
context_before:             let t = cx.target_spec();
context_after:             // GCC used to apply the SysV rule here, breaking windows-gnu's ABI, but was fixed: