syntax_data: {"ast_node_type":"other","tokens":[{"end":72,"kind":"keyword","start":0,"text":"sess.dcx().emit_err(errors::UnsupportedRegStructReturnArch);"}]}
source_snippet:             sess.dcx().emit_err(errors::UnsupportedRegStructReturnArch);
context_before:         if sess.target.arch != "x86" {
context_after:         }