From 83d532ad0b65af7708dc8df1022098aed317df36 Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Mon, 6 May 2024 16:23:50 +0000
Subject: [PATCH] Bug 1895017 - Relax serialization check for
 LinkData::symbolicLinks. r=bvisness

Differential Revision: https://phabricator.services.mozilla.com/D209465
---
 js/src/wasm/WasmSerialize.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/js/src/wasm/WasmSerialize.cpp b/js/src/wasm/WasmSerialize.cpp
index 9e26d63ea16c..e8cf9040640d 100644
--- a/js/src/wasm/WasmSerialize.cpp
+++ b/js/src/wasm/WasmSerialize.cpp
@@ -957,7 +957,10 @@ CoderResult CodeSymbolicLinkArray(
 template <CoderMode mode>
 CoderResult CodeLinkData(Coder<mode>& coder,
                          CoderArg<mode, wasm::LinkData> item) {
-  WASM_VERIFY_SERIALIZATION_FOR_SIZE(wasm::LinkData, 9048);
+  // SymbolicLinkArray depends on SymbolicAddress::Limit, which is changed
+  // often. Exclude symbolicLinks field from trip wire value calculation.
+  WASM_VERIFY_SERIALIZATION_FOR_SIZE(
+      wasm::LinkData, 48 + sizeof(wasm::LinkData::SymbolicLinkArray));
   if constexpr (mode == MODE_ENCODE) {
     MOZ_ASSERT(item->tier == Tier::Serialized);
   }