Bug 918118 - Delete MutableHandle constructors for int and nullptr; r=jonco

This should prevent accidently misuse of MutableHandle.

--HG--
extra : rebase_source : 836a46068770281de24b6a11a04352b49c1dd05d

js/public/RootingAPI.h

@@ -477,6 +477,10 @@ class MOZ_STACK_CLASS MutableHandle : public js::MutableHandleBase<T>
 {
   public:
     inline MutableHandle(Rooted<T> *root);
+    MutableHandle(int) MOZ_DELETE;
+#ifdef MOZ_HAVE_CXX11_NULLPTR
+    MutableHandle(decltype(nullptr)) MOZ_DELETE;
+#endif
 
     void set(T v) {
         JS_ASSERT(!js::GCMethods<T>::poisoned(v));

js/src/jit/BaselineIC.h

@@ -3125,7 +3125,7 @@ class ICGetElemNativeCompiler : public ICStubCompiler
         acctype_(acctype),
         needsAtomize_(needsAtomize),
         offset_(offset),
-        getter_(NULL),
+        getter_(js::NullPtr()),
         pcOffset_(0)
     {}