increment ref count correctly

Author: FrancoGiachetta

src/types/circuit.rs

@@ -6,8 +6,7 @@ use super::WithSelf;
 use crate::{
     error::{Result, SierraAssertError},
     metadata::{
-        drop_overrides::DropOverridesMeta, dup_overrides::DupOverridesMeta,
-        realloc_bindings::ReallocBindingsMeta, MetadataStorage,
+        debug_utils::DebugUtils, drop_overrides::DropOverridesMeta, dup_overrides::DupOverridesMeta, realloc_bindings::ReallocBindingsMeta, MetadataStorage
     },
     utils::{get_integer_layout, layout_repeat, ProgramRegistryExt},
 };
@@ -324,9 +323,9 @@ pub fn build_circuit_outputs<'ctx>(
             let ref_count = entry.extract_value(context, location, outputs, u8_ty, 0)?;
             let ref_count_inc = entry.addi(ref_count, k1, location)?;
 
-            entry.insert_value(context, location, outputs, ref_count_inc, 0)?;
+            let output_new = entry.insert_value(context, location, outputs, ref_count_inc, 0)?;
 
-            entry.append_operation(func::r#return(&[outputs, outputs], location));
+            entry.append_operation(func::r#return(&[output_new, output_new], location));
 
             Ok(Some(region))
         },