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Fix ICE in non-operand aggregate_raw_ptr instrinsic codegen

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Scott McMurray 2024-05-16 09:42:36 -07:00
parent 4a78c00e22
commit f60f2e8cb0
2 changed files with 28 additions and 1 deletions
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6
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -121,7 +121,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
bx.write_operand_repeatedly(cg_elem, count, dest);
}
mir::Rvalue::Aggregate(ref kind, ref operands) => {
// This implementation does field projection, so never use it for `RawPtr`,
// which will always be fine with the `codegen_rvalue_operand` path below.
mir::Rvalue::Aggregate(ref kind, ref operands)
if !matches!(**kind, mir::AggregateKind::RawPtr(..)) =>
{
let (variant_index, variant_dest, active_field_index) = match **kind {
mir::AggregateKind::Adt(_, variant_index, _, _, active_field_index) => {
let variant_dest = dest.project_downcast(bx, variant_index);