syntax_data: {"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:             // Clang's ABI handling is in lib/CodeGen/TargetInfo.cpp
context_before:             // https://www.angelcode.com/dev/callconv/callconv.html
context_after:             let t = cx.target_spec();