syntax_data: {"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                         // `i128` is returned in xmm0 by Clang and GCC
context_before:                     } else {
context_after:                         // FIXME(#134288): This may change for the `-msvc` targets in the future.