From a2822077c5f92a11e02fba2aba83495254027a31 Mon Sep 17 00:00:00 2001
From: "Alon Zakai (kripken)" <alonzakai@gmail.com>
Date: Mon, 29 May 2017 16:41:18 -0700
Subject: handle duplicate functions in s-expr parsing

---
 src/wasm/wasm-s-parser.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/wasm/wasm-s-parser.cpp')

diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp
index 831ad41c3..af77d75b6 100644
--- a/src/wasm/wasm-s-parser.cpp
+++ b/src/wasm/wasm-s-parser.cpp
@@ -600,6 +600,7 @@ void SExpressionWasmBuilder::parseFunction(Element& s, bool preParseImport) {
   if (currFunction->result != result) throw ParseException("bad func declaration", s.line, s.col);
   currFunction->body = body;
   currFunction->type = type;
+  if (wasm.getFunctionOrNull(currFunction->name)) throw ParseException("duplicate function", s.line, s.col);
   wasm.addFunction(currFunction.release());
   currLocalTypes.clear();
   nameMapper.clear();
-- 
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