adjust for wasm-demo

src/wasm/module-decoder.cc

Index: src/wasm/module-decoder.cc
diff --git a/src/wasm/module-decoder.cc b/src/wasm/module-decoder.cc
index 1236fd6982b92492722c4c7483c72797c54c0fcc..b902e56c59ab9d7b475581fa4b18b6115c7dd905 100644
--- a/src/wasm/module-decoder.cc
+++ b/src/wasm/module-decoder.cc
@@ -13,14 +13,10 @@ namespace v8 {
 namespace internal {
 namespace wasm {
 
-#if DEBUG
 #define TRACE(...)                                    \
   do {                                                \
     if (FLAG_trace_wasm_decoder) PrintF(__VA_ARGS__); \
   } while (false)
-#else
-#define TRACE(...)
-#endif
 
 
 // The main logic for decoding the bytes of a module.
@@ -330,7 +326,7 @@ class ModuleDecoder : public Decoder {
       function->local_f64_count = consume_u16("f64 count");
     }
 
-    uint16_t size = consume_u16("body size");
+    uint32_t size = consume_u32("body size");
     if (ok()) {
       if ((pc_ + size) > limit_) {
         return error(pc_, limit_,