syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"crate::fluent_generated::mir_build_const_defined_here,"}]}
source_snippet:                     crate::fluent_generated::mir_build_const_defined_here,
context_before:                     self.tcx.def_span(uv.def),
context_after:                 );