PPC/s390: Reland [heap] Avoid the use of cells to point from code to new-space objects.

src/s390/assembler-s390.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 236 matching lines @@
 // -----------------------------------------------------------------------------
 // Implementation of Operand and MemOperand
 // See assembler-s390-inl.h for inlined constructors
 
 Operand::Operand(Handle<Object> handle) {
   AllowDeferredHandleDereference using_raw_address;
   rm_ = no_reg;
   // Verify all Objects referred by code are NOT in new space.
   Object* obj = *handle;
   if (obj->IsHeapObject()) {
-    DCHECK(!HeapObject::cast(obj)->GetHeap()->InNewSpace(obj));
     imm_ = reinterpret_cast<intptr_t>(handle.location());
     rmode_ = RelocInfo::EMBEDDED_OBJECT;
   } else {
     // no relocation needed
     imm_ = reinterpret_cast<intptr_t>(obj);
     rmode_ = kRelocInfo_NONEPTR;
   }
 }
 
 MemOperand::MemOperand(Register rn, int32_t offset) {
@@ skipping 2812 matching lines @@
 
     reloc_info_writer.Write(&rinfo);
   }
 
   reloc_info_writer.Finish();
 }
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_S390