From 7af99df34cef7e51ad48e6b892fbde58f6c68a6d Mon Sep 17 00:00:00 2001
From: Benjie Gillam <benjie@jemjie.com>
Date: Sat, 13 Apr 2024 07:12:21 +0100
Subject: [PATCH] Allow hoisting __FlagStep in mutations

---
 grafast/grafast/src/engine/OperationPlan.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/grafast/grafast/src/engine/OperationPlan.ts b/grafast/grafast/src/engine/OperationPlan.ts
index 15e258c78b..dde33becf9 100644
--- a/grafast/grafast/src/engine/OperationPlan.ts
+++ b/grafast/grafast/src/engine/OperationPlan.ts
@@ -2499,6 +2499,8 @@ export class OperationPlan {
           // OPTIMIZE: figure out under which circumstances it is safe to hoist here.
           // break;
           return;
+        } else if (step instanceof __FlagStep) {
+          break;
         } else {
           // Plans that rely on external state shouldn't be hoisted because
           // their results may change after a mutation, so the mutation should