// MIR for `main` 0 mir_map | User Type Annotations | 0: Canonical { max_universe: U0, variables: [], value: Ty(Void) } at $DIR/issue-72181-1.rs:16:12: 16:16 | 1: Canonical { max_universe: U0, variables: [], value: Ty(Void) } at $DIR/issue-72181-1.rs:16:12: 16:16 | fn main() -> () { let mut _0: (); // return place in scope 0 at $DIR/issue-72181-1.rs:15:11: 15:11 let mut _1: !; // in scope 0 at $DIR/issue-72181-1.rs:15:11: 21:2 let _2: Void as UserTypeProjection { base: UserType(0), projs: [] }; // in scope 0 at $DIR/issue-72181-1.rs:16:9: 16:10 let mut _3: (); // in scope 0 at $DIR/issue-72181-1.rs:17:41: 17:43 let _4: !; // in scope 0 at $DIR/issue-72181-1.rs:20:5: 20:9 let mut _5: Void; // in scope 0 at $DIR/issue-72181-1.rs:20:7: 20:8 scope 1 { debug v => _2; // in scope 1 at $DIR/issue-72181-1.rs:16:9: 16:10 } scope 2 { } bb0: { StorageLive(_2); // scope 0 at $DIR/issue-72181-1.rs:16:9: 16:10 StorageLive(_3); // scope 2 at $DIR/issue-72181-1.rs:17:41: 17:43 _3 = (); // scope 2 at $DIR/issue-72181-1.rs:17:41: 17:43 _2 = const std::intrinsics::transmute::<(), Void>(move _3) -> [return: bb2, unwind: bb1]; // scope 2 at $DIR/issue-72181-1.rs:17:9: 17:44 // mir::Constant // + span: $DIR/issue-72181-1.rs:17:9: 17:40 // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(()) -> Void {std::intrinsics::transmute::<(), Void>}, val: Value(Scalar()) } } bb1 (cleanup): { resume; // scope 0 at $DIR/issue-72181-1.rs:15:1: 21:2 } bb2: { StorageDead(_3); // scope 2 at $DIR/issue-72181-1.rs:17:43: 17:44 FakeRead(ForLet, _2); // scope 0 at $DIR/issue-72181-1.rs:16:9: 16:10 AscribeUserType(_2, o, UserTypeProjection { base: UserType(1), projs: [] }); // scope 0 at $DIR/issue-72181-1.rs:16:12: 16:16 StorageLive(_4); // scope 1 at $DIR/issue-72181-1.rs:20:5: 20:9 StorageLive(_5); // scope 1 at $DIR/issue-72181-1.rs:20:7: 20:8 _5 = move _2; // scope 1 at $DIR/issue-72181-1.rs:20:7: 20:8 const f(move _5) -> bb1; // scope 1 at $DIR/issue-72181-1.rs:20:5: 20:9 // mir::Constant // + span: $DIR/issue-72181-1.rs:20:5: 20:6 // + literal: Const { ty: fn(Void) -> ! {f}, val: Value(Scalar()) } } bb3: { StorageDead(_5); // scope 1 at $DIR/issue-72181-1.rs:20:8: 20:9 StorageDead(_4); // scope 1 at $DIR/issue-72181-1.rs:20:9: 20:10 StorageDead(_2); // scope 0 at $DIR/issue-72181-1.rs:21:1: 21:2 unreachable; // scope 0 at $DIR/issue-72181-1.rs:15:11: 21:2 } bb4: { goto -> bb5; // scope 0 at $DIR/issue-72181-1.rs:21:2: 21:2 } bb5: { return; // scope 0 at $DIR/issue-72181-1.rs:21:2: 21:2 } }