From 5e2b9878776c71ff2fccd64f8eda13392012ff69 Mon Sep 17 00:00:00 2001
From: stevenfontanella <stevenfont@chromium.org>
Date: Wed, 22 Jul 2026 18:00:30 +0000
Subject: [PATCH] Don't generate ref.as_non_null for table initializers

---
 src/tools/fuzzing/fuzzing.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/tools/fuzzing/fuzzing.cpp b/src/tools/fuzzing/fuzzing.cpp
index f2a8397e6e4..287e1d50e26 100644
--- a/src/tools/fuzzing/fuzzing.cpp
+++ b/src/tools/fuzzing/fuzzing.cpp
@@ -993,6 +993,14 @@ void TranslateToFuzzReader::finalizeTable() {
         table->init = makeConst(table->type);
       }
     }
+
+    if (table->init && (!FindAll<RefAs>(table->init).list.empty() ||
+                        !FindAll<ContNew>(table->init).list.empty())) {
+      // Similar to in setupGlobals(), if we emit RefAs or ContNew for a table
+      // initializer, it's not valid. Switch to a safe type.
+      table->type = Type(HeapType::func, Nullable);
+      table->init = makeConst(table->type);
+    }
   }
 }