From 348565b6a9a823c0fee30c96d8d783810d540a78 Mon Sep 17 00:00:00 2001
From: Dan Gohman <sunfish@mozilla.com>
Date: Fri, 13 May 2016 11:20:28 -0700
Subject: Fix the maximum memory size to be valid. (#492)

---
 src/wasm.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/wasm.h')

diff --git a/src/wasm.h b/src/wasm.h
index 327be9c7e..56e74f372 100644
--- a/src/wasm.h
+++ b/src/wasm.h
@@ -1281,6 +1281,7 @@ public:
 class Memory {
 public:
   static const Address::address_t kPageSize = 64 * 1024;
+  static const Address::address_t kMaxSize = ~Address::address_t(0) / kPageSize;
   static const Address::address_t kPageMask = ~(kPageSize - 1);
   struct Segment {
     Address offset;
@@ -1299,7 +1300,7 @@ public:
   std::vector<Segment> segments;
   Name exportName;
 
-  Memory() : initial(0), max(-1U) {}
+  Memory() : initial(0), max(kMaxSize) {}
 };
 
 class Module {
-- 
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