Expose gc(true) to JavaScript, which triggers a scavenger GC.

src/heap.h

 // 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 1096 matching lines @@
   void EnsureHeapIsIterable();
 
   // Notify the heap that a context has been disposed.
   int NotifyContextDisposed() {
     flush_monomorphic_ics_ = true;
     return ++contexts_disposed_;
   }
 
   // Utility to invoke the scavenger. This is needed in test code to
   // ensure correct callback for weak global handles.
-  void PerformScavenge();
+  void PerformScavenge(bool force_scavenge = false);

[Michael Starzinger, 2012/10/25 11:47:29]

This change becomes obsolete then.

[haraken, 2012/10/25 11:54:49]

Done.

 
   inline void increment_scan_on_scavenge_pages() {
     scan_on_scavenge_pages_++;
     if (FLAG_gc_verbose) {
       PrintF("Scan-on-scavenge pages: %d\n", scan_on_scavenge_pages_);
     }
   }
 
   inline void decrement_scan_on_scavenge_pages() {
     scan_on_scavenge_pages_--;
@@ skipping 1690 matching lines @@
   AssertNoAllocation no_alloc;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG || LIVE_OBJECT_LIST
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_