[clang] [clang][Interp] Cleaning up `FIXME`s added during `ArrayInitLoopExpr` implementation. (PR #70053)

[Timm Baeder via cfe-commits]

================
@@ -389,10 +391,28 @@ template <class Emitter> class LocalScope : public VariableScope<Emitter> {
       if (!Local.Desc->isPrimitive() && !Local.Desc->isPrimitiveArray()) {
         this->Ctx->emitGetPtrLocal(Local.Offset, SourceInfo{});
         this->Ctx->emitRecordDestruction(Local.Desc);
+        removeIfStoredOpaqueValue(Local);
       }
     }
   }
 
+  void removeStoredOpaqueValues() {
+    if (!Idx)
+      return;
+
+    for (Scope::Local &Local : this->Ctx->Descriptors[*Idx]) {
----------------
tbaederr wrote:

```suggestion
    for (const Scope::Local &Local : this->Ctx->Descriptors[*Idx]) {
```

https://github.com/llvm/llvm-project/pull/70053