File "./output/ltac2_anomaly_backtrace.v", line 9, characters 0-18:
Error: Anomaly "Uncaught exception Not_found."
Please report at
http://rocq-prover.org/bugs/.
Backtrace:
Call foo
Call Std.eval_hnf
Prim <rocq-runtime.plugins.ltac2:reduce_constr>
coqc exited with code 129
