Bump MaxRegularSpaceAllocationSize to InitialSemiSpaceSize() * 4/5

src/heap.cc

 // Copyright 2012 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 6728 matching lines @@
   external_allocation_limit_ = 12 * max_semispace_size_;
   ASSERT(external_allocation_limit_ <= 256 * MB);
 
   // The old generation is paged and needs at least one page for each space.
   int paged_space_count = LAST_PAGED_SPACE - FIRST_PAGED_SPACE + 1;
   max_old_generation_size_ = Max(static_cast<intptr_t>(paged_space_count *
                                                        Page::kPageSize),
                                  RoundUp(max_old_generation_size_,
                                          Page::kPageSize));
 
+  // We rely on being able to allocate new arrays in paged spaces.
+  ASSERT(MaxRegularSpaceAllocationSize() >=
+         (JSArray::kSize +
+          FixedArray::SizeFor(JSObject::kInitialMaxFastElementArray) +
+          AllocationMemento::kSize));
+
   configured_ = true;
   return true;
 }
 
 
 bool Heap::ConfigureHeapDefault() {
   return ConfigureHeap(static_cast<intptr_t>(FLAG_max_new_space_size / 2) * KB,
                        static_cast<intptr_t>(FLAG_max_old_space_size) * MB,
                        static_cast<intptr_t>(FLAG_max_executable_size) * MB);
 }
@@ skipping 1324 matching lines @@
   if (FLAG_concurrent_recompilation) {
     heap_->relocation_mutex_->Lock();
 #ifdef DEBUG
     heap_->relocation_mutex_locked_by_optimizer_thread_ =
         heap_->isolate()->optimizing_compiler_thread()->IsOptimizerThread();
 #endif  // DEBUG
   }
 }
 
 } }  // namespace v8::internal