syntax_data: {"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"debug_assert!(!typing_env.param_env.has_infer());"}]}
source_snippet:                 debug_assert!(!typing_env.param_env.has_infer());
context_before:                 // query keys used. If normalization fails, we just use `query_ty`.
context_after:                 let query_ty = tcx