MIPS64: Fix memory allocation when code range is used for LO space only.

src/heap/heap.cc

Index: src/heap/heap.cc
diff --git a/src/heap/heap.cc b/src/heap/heap.cc
index 456fc34fc8cf8601d5902937d3451cc8a0205a58..d2398717a4a1c0e56f9319968005439dfc4cad71 100644
--- a/src/heap/heap.cc
+++ b/src/heap/heap.cc
@@ -3847,7 +3847,8 @@ AllocationResult Heap::AllocateCode(int object_size, bool immovable) {
   Code* code = Code::cast(result);
   DCHECK(IsAligned(bit_cast<intptr_t>(code->address()), kCodeAlignment));
   DCHECK(isolate_->code_range() == NULL || !isolate_->code_range()->valid() ||
-         isolate_->code_range()->contains(code->address()));
+         isolate_->code_range()->contains(code->address()) ||
+         object_size <= code_space()->AreaSize());
   code->set_gc_metadata(Smi::FromInt(0));
   code->set_ic_age(global_ic_age_);
   return code;
@@ -3872,7 +3873,8 @@ AllocationResult Heap::CopyCode(Code* code) {
   // Relocate the copy.
   DCHECK(IsAligned(bit_cast<intptr_t>(new_code->address()), kCodeAlignment));
   DCHECK(isolate_->code_range() == NULL || !isolate_->code_range()->valid() ||
-         isolate_->code_range()->contains(code->address()));
+         isolate_->code_range()->contains(code->address()) ||
+         obj_size <= code_space()->AreaSize());
   new_code->Relocate(new_addr - old_addr);
   return new_code;
 }
@@ -3918,7 +3920,9 @@ AllocationResult Heap::CopyCode(Code* code, Vector<byte> reloc_info) {
   // Relocate the copy.
   DCHECK(IsAligned(bit_cast<intptr_t>(new_code->address()), kCodeAlignment));
   DCHECK(isolate_->code_range() == NULL || !isolate_->code_range()->valid() ||
-         isolate_->code_range()->contains(code->address()));
+         isolate_->code_range()->contains(code->address()) ||
+         new_obj_size <= code_space()->AreaSize());
+
   new_code->Relocate(new_addr - old_addr);
 
 #ifdef VERIFY_HEAP