syntax_data: {"ast_node_type":"import","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:     // `extern "aapcs"`, then we must use the VFP registers for homogeneous aggregates.
context_before:     // If this is a target with a hard-float ABI, and the function is not explicitly
context_after:     let vfp = cx.target_spec().llvm_target.ends_with("hf")