- // MIR for `unwrap_unchecked` before Inline + // MIR for `unwrap_unchecked` after Inline fn unwrap_unchecked(_1: Option) -> T { debug slf => _1; let mut _0: T; let mut _2: std::option::Option; + scope 1 (inlined #[track_caller] Option::::unwrap_unchecked) { + let mut _3: isize; + scope 2 { + } + scope 3 (inlined unreachable_unchecked) { + let mut _4: bool; + let _5: (); + scope 4 (inlined core::ub_checks::check_language_ub) { + scope 5 (inlined core::ub_checks::check_language_ub::runtime) { + } + } + } + } bb0: { StorageLive(_2); _2 = move _1; - _0 = Option::::unwrap_unchecked(move _2) -> [return: bb1, unwind: bb2]; + StorageLive(_3); + StorageLive(_5); + _3 = discriminant(_2); + switchInt(move _3) -> [0: bb2, 1: bb3, otherwise: bb1]; } bb1: { - StorageDead(_2); - return; + unreachable; } - bb2 (cleanup): { - resume; + bb2: { + StorageLive(_4); + _4 = UbChecks(); + assume(copy _4); + _5 = unreachable_unchecked::precondition_check() -> [return: bb1, unwind unreachable]; + } + + bb3: { + _0 = move ((_2 as Some).0: T); + StorageDead(_5); + StorageDead(_3); + StorageDead(_2); + return; } }