{"ast_node_type":"other","tokens":[{"end":87,"kind":"keyword","start":0,"text":"//"}]}
    // (either its `mir_for_ctfe` or `optimized_mir`) since that helps uncover any bugs
    // If `-Zvalidate-mir` is set, we also want to compute the final MIR for each item
    // in MIR optimizations that may only be reachable through codegen, or other codepaths