From 7a7d142903b6eb18854cb9b955fc728a7e3853bd Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Sat, 3 Dec 2016 19:30:55 -0800
Subject: properly legalize imported table elements

---
 src/passes/LegalizeJSInterface.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/passes/LegalizeJSInterface.cpp')

diff --git a/src/passes/LegalizeJSInterface.cpp b/src/passes/LegalizeJSInterface.cpp
index c9cada3c0..6e070156f 100644
--- a/src/passes/LegalizeJSInterface.cpp
+++ b/src/passes/LegalizeJSInterface.cpp
@@ -57,6 +57,15 @@ struct LegalizeJSInterface : public Pass {
         auto* legal = makeLegalStub(im.get(), module, funcName);
         illegalToLegal[im->name] = funcName;
         newImports.push_back(legal);
+        // we need to use the legalized version in the table, as the import from JS
+        // is legal for JS. Our stub makes it look like a native wasm function.
+        for (auto& segment : module->table.segments) {
+          for (auto& name : segment.data) {
+            if (name == im->name) {
+              name = funcName;
+            }
+          }
+        }
       }
     }
     if (illegalToLegal.size() > 0) {
-- 
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