Fixed VERIFY_HEAP without DEBUG.

src/profile-generator.cc

Index: src/profile-generator.cc
diff --git a/src/profile-generator.cc b/src/profile-generator.cc
index f50d85cfdad8bc15ddb2754a698cc503bf64bb8c..d9259c8c25ee294d828ea6134d8eeb5fc3a049f0 100644
--- a/src/profile-generator.cc
+++ b/src/profile-generator.cc
@@ -3094,13 +3094,13 @@ bool HeapSnapshotGenerator::GenerateSnapshot() {
       Heap::kMakeHeapIterableMask,
       "HeapSnapshotGenerator::GenerateSnapshot");
 
-#ifdef DEBUG
+#ifdef VERIFY_HEAP
   Heap* debug_heap = Isolate::Current()->heap();
-  ASSERT(!debug_heap->old_data_space()->was_swept_conservatively());
-  ASSERT(!debug_heap->old_pointer_space()->was_swept_conservatively());
-  ASSERT(!debug_heap->code_space()->was_swept_conservatively());
-  ASSERT(!debug_heap->cell_space()->was_swept_conservatively());
-  ASSERT(!debug_heap->map_space()->was_swept_conservatively());
+  CHECK(!debug_heap->old_data_space()->was_swept_conservatively());
+  CHECK(!debug_heap->old_pointer_space()->was_swept_conservatively());
+  CHECK(!debug_heap->code_space()->was_swept_conservatively());
+  CHECK(!debug_heap->cell_space()->was_swept_conservatively());
+  CHECK(!debug_heap->map_space()->was_swept_conservatively());
 #endif
 
   // The following code uses heap iterators, so we want the heap to be