From ef2b1b630496dc695de5f9b722576682580a5a3f Mon Sep 17 00:00:00 2001
From: Alon Zakai <alonzakai@gmail.com>
Date: Fri, 29 Jan 2016 16:53:47 -0800
Subject: if functions are already type-named, do not change their types

---
 src/wasm-binary.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'src/wasm-binary.h')

diff --git a/src/wasm-binary.h b/src/wasm-binary.h
index e8ba3f698..9db23d25d 100644
--- a/src/wasm-binary.h
+++ b/src/wasm-binary.h
@@ -366,7 +366,9 @@ class WasmBinaryWriter : public WasmVisitor<WasmBinaryWriter, void> {
   void prepare() {
     // we need function types for all our functions
     for (auto* func : wasm->functions) {
-      func->type = ensureFunctionType(getSig(func), wasm, allocator)->name;
+      if (func->type.isNull()) {
+        func->type = ensureFunctionType(getSig(func), wasm, allocator)->name;
+      }
     }
   }
 
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