From b6e41f06029912360ad07614c7ddd2ffcfeed2ca Mon Sep 17 00:00:00 2001
From: Joyee Cheung <joyeec9h3@gmail.com>
Date: Wed, 12 Jun 2019 02:37:44 +0800
Subject: [PATCH] tools: assert that the snapshot can be rehashed in
 node_mksnapshot
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PR-URL: https://github.com/nodejs/node/pull/28181
Refs: https://github.com/nodejs/node/pull/27365
Refs: https://github.com/nodejs/node/issues/17058
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Refael Ackermann (רפאל פלחי) <refack@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>
---
 tools/snapshot/snapshot_builder.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/snapshot/snapshot_builder.cc b/tools/snapshot/snapshot_builder.cc
index 54a4a2e73da249..0fd2c49d2845a8 100644
--- a/tools/snapshot/snapshot_builder.cc
+++ b/tools/snapshot/snapshot_builder.cc
@@ -96,6 +96,7 @@ std::string SnapshotBuilder::Generate(
     // Must be out of HandleScope
     StartupData blob =
         creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kClear);
+    CHECK(blob.CanBeRehashed());
     // Must be done while the snapshot creator isolate is entered i.e. the
     // creator is still alive.
     main_instance->Dispose();