bjoernager/rust
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Revert "Rollup merge of #98582 - oli-obk:unconstrained_opaque_type, r=estebank"

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This reverts commit 6f8fb911ad, reversing
changes made to 7210e46dc6.
This commit is contained in:
Oli Scherer 2022-07-20 07:55:58 +00:00
parent 03d488b48a
commit 4a742a691e
47 changed files with 205 additions and 396 deletions
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16
compiler/rustc_codegen_ssa/src/mir/place.rs
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@ -411,21 +411,6 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> {
downcast
}
pub fn project_type<Bx: BuilderMethods<'a, 'tcx, Value = V>>(
&self,
bx: &mut Bx,
ty: Ty<'tcx>,
) -> Self {
let mut downcast = *self;
downcast.layout = bx.cx().layout_of(ty);
// Cast to the appropriate type.
let variant_ty = bx.cx().backend_type(downcast.layout);
downcast.llval = bx.pointercast(downcast.llval, bx.cx().type_ptr_to(variant_ty));
downcast
}
pub fn storage_live<Bx: BuilderMethods<'a, 'tcx, Value = V>>(&self, bx: &mut Bx) {
bx.lifetime_start(self.llval, self.layout.size);
}
@ -474,7 +459,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
mir::ProjectionElem::Field(ref field, _) => {
cg_base.project_field(bx, field.index())
}
mir::ProjectionElem::OpaqueCast(ty) => cg_base.project_type(bx, ty),
mir::ProjectionElem::Index(index) => {
let index = &mir::Operand::Copy(mir::Place::from(index));
let index = self.codegen_operand(bx, index);