Disallow dereferencing deferred handles when generating optimized code.

src/ia32/assembler-ia32.h

Index: src/ia32/assembler-ia32.h
diff --git a/src/ia32/assembler-ia32.h b/src/ia32/assembler-ia32.h
index d1c1fbf00389acb2b99ef3c552ef578e2131f35a..c487d26692cd98c6818a3d9f123fa100357ecc83 100644
--- a/src/ia32/assembler-ia32.h
+++ b/src/ia32/assembler-ia32.h
@@ -411,6 +411,7 @@ class Operand BASE_EMBEDDED {
   }
 
   static Operand Cell(Handle<JSGlobalPropertyCell> cell) {
+    ALLOW_HANDLE_DEREF("embedding raw address");
     return Operand(reinterpret_cast<int32_t>(cell.location()),
                    RelocInfo::GLOBAL_PROPERTY_CELL);
   }
@@ -1149,6 +1150,9 @@ class Assembler : public AssemblerBase {
   inline void emit(uint32_t x,
                    RelocInfo::Mode rmode,
                    TypeFeedbackId id = TypeFeedbackId::None());
+  inline void emit(Handle<Code> code,
+                   RelocInfo::Mode rmode,
+                   TypeFeedbackId id = TypeFeedbackId::None());
   inline void emit(const Immediate& x);
   inline void emit_w(const Immediate& x);