-// compile-flags: -Z mir-opt-level=2 -Zunsound-mir-opts
+// compile-flags: -Z mir-opt-level=3 -Zunsound-mir-opts
// EMIT_MIR simplify_arm.id.SimplifyArmIdentity.diff
// EMIT_MIR simplify_arm.id.SimplifyBranchSame.diff
// EMIT_MIR simplify_arm.id_result.SimplifyArmIdentity.diff