Do GC if CodeRange fails to allocate a block.

src/spaces.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_SPACES_H_
 #define V8_SPACES_H_
 
 #include "src/allocation.h"
 #include "src/base/atomicops.h"
 #include "src/hashmap.h"
@@ skipping 967 matching lines @@
   // allocation list.
   List<FreeBlock> free_list_;
   // Memory is allocated from the free blocks on the allocation list.
   // The block at current_allocation_block_index_ is the current block.
   List<FreeBlock> allocation_list_;
   int current_allocation_block_index_;
 
   // Finds a block on the allocation list that contains at least the
   // requested amount of memory.  If none is found, sorts and merges
   // the existing free memory blocks, and searches again.
-  // If none can be found, terminates V8 with FatalProcessOutOfMemory.
-  void GetNextAllocationBlock(size_t requested);
+  // If none can be found, returns false.
+  bool GetNextAllocationBlock(size_t requested);
   // Compares the start addresses of two free blocks.
   static int CompareFreeBlockAddress(const FreeBlock* left,
                                      const FreeBlock* right);
 
   DISALLOW_COPY_AND_ASSIGN(CodeRange);
 };
 
 
 class SkipList {
  public:
@@ skipping 2000 matching lines @@
   }
   // Must be small, since an iteration is used for lookup.
   static const int kMaxComments = 64;
 };
 #endif
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_