bjoernager/rust
bjoernager/rust
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Co-authored-by: Oli Scherer <github35764891676564198441@oli-obk.de>
This commit is contained in:
Ralf Jung 2022-06-02 11:10:34 -04:00
parent fafccdced3
commit d5a590f537
2 changed files with 4 additions and 1 deletions
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3
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -270,6 +270,9 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
PointerCast::MutToConstPointer | PointerCast::ArrayToPointer, PointerCast::MutToConstPointer | PointerCast::ArrayToPointer,
) )
| mir::CastKind::Misc | mir::CastKind::Misc
// Since int2ptr can have arbitrary integer types as input (so we have to do
// sign extension and all that), it is currently best handled in the same code
// path as the other integer-to-X casts.
| mir::CastKind::PointerFromExposedAddress => { | mir::CastKind::PointerFromExposedAddress => {
assert!(bx.cx().is_backend_immediate(cast)); assert!(bx.cx().is_backend_immediate(cast));
let ll_t_out = bx.cx().immediate_backend_type(cast); let ll_t_out = bx.cx().immediate_backend_type(cast);

2
compiler/rustc_const_eval/src/transform/promote_consts.rs
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@ -504,7 +504,7 @@ impl<'tcx> Validator<'_, 'tcx> {
// ptr-to-int casts are not possible in consts and thus not promotable // ptr-to-int casts are not possible in consts and thus not promotable
Rvalue::Cast(CastKind::PointerExposeAddress, _, _) => return Err(Unpromotable), Rvalue::Cast(CastKind::PointerExposeAddress, _, _) => return Err(Unpromotable),
// all ohter casts including int-to-ptr casts are fine, they just use the integer value // all other casts including int-to-ptr casts are fine, they just use the integer value
// at pointer type. // at pointer type.
Rvalue::Cast(_, operand, _) => { Rvalue::Cast(_, operand, _) => {
self.validate_operand(operand)?; self.validate_operand(operand)?;