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compiler: Reject impossible reprs during enum layout

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This commit is contained in:
Jubilee Young 2024-10-20 01:45:15 -07:00
parent 68d1fd9427
commit 9f4c9155d4
6 changed files with 121 additions and 4 deletions
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5
compiler/rustc_ty_utils/src/layout.rs
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@ -116,6 +116,11 @@ fn map_error<'tcx>(
cx.tcx().dcx().delayed_bug(format!("computed layout of empty union: {ty:?}"));
LayoutError::Unknown(ty)
}
LayoutCalculatorError::ReprConflict => {
// packed enums are the only known trigger of this, but others might arise
cx.tcx().dcx().delayed_bug(format!("computed impossible repr (packed enum?): {ty:?}"));
LayoutError::Unknown(ty)
}
};
error(cx, err)
}