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// skip-filecheck
// EMIT_MIR_FOR_EACH_PANIC_STRATEGY
// Test that StorageDead and Drops are generated properly for bindings in
// matches:
// * The MIR should only contain a single drop of `s` and `t`: at the end
// of their respective arms.
// * StorageDead and StorageLive statements are correctly matched up on
// non-unwind paths.
// * The visibility scopes of the match arms should be disjoint, and contain.
// all of the bindings for that scope.
// * No drop flags are used.
// EMIT_MIR match_arm_scopes.complicated_match SimplifyCfg-initial.after ElaborateDrops.after
fn complicated_match(cond: bool, items: (bool, bool, String)) -> i32 {
match items {
(false, a, s) | (a, false, s) if if cond { return 3 } else { a } => 1,
(true, b, t) | (false, b, t) => 2,
}
}
const CASES: &[(bool, bool, bool, i32)] = &[
(false, false, false, 2),
(false, false, true, 1),
(false, true, false, 1),
(false, true, true, 2),
(true, false, false, 3),
(true, false, true, 3),
(true, true, false, 3),
(true, true, true, 2),
];
fn main() {
for &(cond, items_1, items_2, result) in CASES {
assert_eq!(complicated_match(cond, (items_1, items_2, String::new())), result,);
}
}
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