b633a6bbfd
Don't do intra-pass validation on MIR shims Fixes #114375 In the test that was committed, we end up generating the drop shim for `struct Foo` that looks like: ``` fn std::ptr::drop_in_place(_1: *mut Foo) -> () { let mut _0: (); bb0: { goto -> bb5; } bb1: { return; } bb2 (cleanup): { resume; } bb3: { goto -> bb1; } bb4 (cleanup): { drop(((*_1).0: foo::WrapperWithDrop<()>)) -> [return: bb2, unwind terminate]; } bb5: { drop(((*_1).0: foo::WrapperWithDrop<()>)) -> [return: bb3, unwind: bb2]; } } ``` In `bb4` and `bb5`, we assert that `(*_1).0` has type `WrapperWithDrop<()>`. However, In a user-facing param env, the type is actually `WrapperWithDrop<Tait>`. These types are not equal in a user-facing param-env (and can't be made equal even if we use `DefiningAnchor::Bubble`, since it's a non-local TAIT). |
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