don't leave Deref bytecode for Code chunk (#2137)

Re-enter loop after pushing `CompiledExpressionPart::Deref`, so that it
isn't recoded for `CompiledExpressionPart::Code` as well.

crates/debug/src/transform/expression.rs

@@ -454,6 +454,7 @@ where
                 Operation::Deref { .. } => {
                     flush_code_chunk!();
                     parts.push(CompiledExpressionPart::Deref);
+                    continue;
                 }
                 _ => {
                     return Ok(None);
@@ -720,7 +721,7 @@ mod tests {
                     },
                     CompiledExpressionPart::Code(vec![35, 5]),
                     CompiledExpressionPart::Deref,
-                    CompiledExpressionPart::Code(vec![6, 159])
+                    CompiledExpressionPart::Code(vec![159])
                 ],
                 need_deref: false
             }