Disallow dereferencing deferred handles when generating optimized code.

src/arm/assembler-arm.cc

Index: src/arm/assembler-arm.cc
diff --git a/src/arm/assembler-arm.cc b/src/arm/assembler-arm.cc
index b473c6b52b045c6b93c22028ed04fd3a518ff878..2c0ce3f8f55ecc107a52417e720f0e84d8bea630 100644
--- a/src/arm/assembler-arm.cc
+++ b/src/arm/assembler-arm.cc
@@ -305,6 +305,7 @@ void RelocInfo::PatchCodeWithCall(Address target, int guard_bytes) {
 // See assembler-arm-inl.h for inlined constructors
 
 Operand::Operand(Handle<Object> handle) {
+  ALLOW_HANDLE_DEREF("using and embedding raw address");
   rm_ = no_reg;
   // Verify all Objects referred by code are NOT in new space.
   Object* obj = *handle;
@@ -314,7 +315,7 @@ Operand::Operand(Handle<Object> handle) {
     rmode_ = RelocInfo::EMBEDDED_OBJECT;
   } else {
     // no relocation needed
-    imm32_ =  reinterpret_cast<intptr_t>(obj);
+    imm32_ = reinterpret_cast<intptr_t>(obj);
     rmode_ = RelocInfo::NONE32;
   }
 }