From d46a737d421d53f68fc13d55fe405cf8c3c5d4c0 Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Fri, 16 Sep 2016 20:30:09 -0700
Subject: parse empty modules without error

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

(limited to 'src')

diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index 75d6fed1d..f244a08f9 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -274,6 +274,7 @@ public:
   // Assumes control of and modifies the input.
   SExpressionWasmBuilder(Module& wasm, Element& module, Name* moduleName = nullptr) : wasm(wasm), allocator(wasm.allocator), importCounter(0), globalCounter(0) {
     assert(module[0]->str() == MODULE);
+    if (module.size() == 1) return;
     Index i = 1;
     if (module[i]->dollared()) {
       if (moduleName) {
-- 
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