Bug 710922 - Don't call m_pools.all() if m_pools isn't initialized. r=luke.

--HG--
extra : rebase_source : 72da22ce0e29d449da9ffa211b4b892ab7796303

js/src/assembler/jit/ExecutableAllocator.cpp

@@ -45,11 +45,14 @@ ExecutableAllocator::sizeOfCode(size_t *method, size_t *regexp, size_t *unused)
     *method = 0;
     *regexp = 0;
     *unused = 0;
-    for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
-        ExecutablePool* pool = r.front();
-        *method += pool->m_mjitCodeMethod;
-        *regexp += pool->m_mjitCodeRegexp;
-        *unused += pool->m_allocation.size - pool->m_mjitCodeMethod - pool->m_mjitCodeRegexp;
+
+    if (m_pools.initialized()) {
+        for (ExecPoolHashSet::Range r = m_pools.all(); !r.empty(); r.popFront()) {
+            ExecutablePool* pool = r.front();
+            *method += pool->m_mjitCodeMethod;
+            *regexp += pool->m_mjitCodeRegexp;
+            *unused += pool->m_allocation.size - pool->m_mjitCodeMethod - pool->m_mjitCodeRegexp;
+        }
     }
 }
 

js/src/assembler/jit/ExecutableAllocator.h

@@ -241,6 +241,7 @@ public:
         if (destroyCallback)
             destroyCallback(pool->m_allocation.pages, pool->m_allocation.size);
         systemRelease(pool->m_allocation);
+        JS_ASSERT(m_pools.initialized());
         m_pools.remove(m_pools.lookup(pool));   // this asserts if |pool| is not in m_pools
     }