Fail new space promotions only when old space is truly exhausted.

runtime/vm/heap.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_HEAP_H_
 #define VM_HEAP_H_
 
 #include "platform/assert.h"
 #include "vm/allocation.h"
 #include "vm/flags.h"
@@ skipping 55 matching lines @@
       case kOld:
         return AllocateOld(size, HeapPage::kData);
       case kCode:
         return AllocateOld(size, HeapPage::kExecutable);
       default:
         UNREACHABLE();
     }
     return 0;
   }
 
-  uword TryAllocate(intptr_t size, Space space) {
+  uword TryAllocate(
+      intptr_t size,
+      Space space,
+      PageSpace::GrowthPolicy growth_policy = PageSpace::kControlGrowth) {
     ASSERT(!read_only_);
     switch (space) {
       case kNew:
         return new_space_->TryAllocate(size);
       case kOld:
-        return old_space_->TryAllocate(size, HeapPage::kData);
+        return old_space_->TryAllocate(size,
+                                       HeapPage::kData,
+                                       growth_policy);
       case kCode:
-        return old_space_->TryAllocate(size, HeapPage::kExecutable);
+        return old_space_->TryAllocate(size,
+                                       HeapPage::kExecutable,
+                                       growth_policy);
       default:
         UNREACHABLE();
     }
     return 0;
   }
 
   // Heap contains the specified address.
   bool Contains(uword addr) const;
   bool NewContains(uword addr) const;
   bool OldContains(uword addr) const;
@@ skipping 101 matching lines @@
  public:
   NoGCScope() {}
  private:
   DISALLOW_COPY_AND_ASSIGN(NoGCScope);
 };
 #endif  // defined(DEBUG)
 
 }  // namespace dart
 
 #endif  // VM_HEAP_H_