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64cce5fc7d
Updates `interpret`, `codegen_ssa`, and `codegen_cranelift` to consume the new cast instead of the intrinsic. Includes `CastTransmute` for custom MIR building, to be able to test the extra UB.
28 lines
1.4 KiB
Diff
28 lines
1.4 KiB
Diff
- // MIR for `unreachable_mut` before ConstProp
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+ // MIR for `unreachable_mut` after ConstProp
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fn unreachable_mut() -> ! {
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let mut _0: !; // return place in scope 0 at $DIR/transmute.rs:+0:36: +0:37
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let mut _1: !; // in scope 0 at $DIR/transmute.rs:+0:38: +3:2
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let _2: &mut Never; // in scope 0 at $DIR/transmute.rs:+1:9: +1:10
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let mut _3: &mut Never; // in scope 0 at $DIR/transmute.rs:+1:34: +1:52
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let mut _4: !; // in scope 0 at $DIR/transmute.rs:+2:5: +2:16
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scope 1 {
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debug x => _2; // in scope 1 at $DIR/transmute.rs:+1:9: +1:10
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}
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scope 2 {
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}
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bb0: {
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StorageLive(_1); // scope 0 at $DIR/transmute.rs:+0:38: +3:2
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StorageLive(_2); // scope 0 at $DIR/transmute.rs:+1:9: +1:10
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StorageLive(_3); // scope 0 at $DIR/transmute.rs:+1:34: +1:52
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_3 = const 1_usize as &mut Never (Transmute); // scope 2 at $DIR/transmute.rs:+1:34: +1:52
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_2 = &mut (*_3); // scope 0 at $DIR/transmute.rs:+1:34: +1:52
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StorageDead(_3); // scope 0 at $DIR/transmute.rs:+1:54: +1:55
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StorageLive(_4); // scope 1 at $DIR/transmute.rs:+2:5: +2:16
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unreachable; // scope 1 at $DIR/transmute.rs:+2:11: +2:13
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}
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}
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