syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // https://developer.android.com/ndk/guides/abis.html#x86
context_before:     base.rustc_abi = Some(RustcAbi::X86Sse2);
context_after:     base.cpu = "pentium4".into();