Remove heap allocator's block headers, replacing them with bitmap at start of heap.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com

tests/unit/test-heap.cpp

@@ -21,7 +21,7 @@
 #define test_heap_size (32 * 1024)
 
 // Iterations count
-#define test_iters (64 * 1024)
+#define test_iters (4 * 1024)
 
 // Subiterations count
 #define test_sub_iters 32
@@ -75,16 +75,13 @@ test_heap_give_some_memory_back (mem_try_give_memory_back_severity_t severity)
   }
 } /* test_heap_give_some_memory_back */
 
-uint8_t test_native_heap[test_heap_size] __attribute__ ((aligned (JERRY_MAX (MEM_ALIGNMENT,
-                                                                             MEM_HEAP_CHUNK_SIZE))));
-
 int
 main (int __attr_unused___ argc,
       char __attr_unused___ **argv)
 {
   TEST_INIT ();
 
-  mem_heap_init (test_native_heap, sizeof (test_native_heap));
+  mem_heap_init ();
 
   mem_register_a_try_give_memory_back_callback (test_heap_give_some_memory_back);