Allow API usage in native_free_callbacks (#3515)

This patch allows the use of API functions in native_free_callbacks for native pointers once again.

JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu

jerry-core/ecma/base/ecma-init-finalize.c

@@ -29,6 +29,11 @@
  * @{
  */
 
+/**
+ * Maximum number of GC loops on cleanup.
+ */
+#define JERRY_GC_LOOP_LIMIT 100
+
 /**
  * Initialize ECMA components
  */
@@ -73,8 +78,17 @@ ecma_finalize (void)
 #endif /* ENABLED (JERRY_ES2015) */
 
   ecma_finalize_global_lex_env ();
-  ecma_finalize_builtins ();
-  ecma_gc_run ();
+  uint8_t runs = 0;
+  do
+  {
+    ecma_finalize_builtins ();
+    ecma_gc_run ();
+    if (++runs >= JERRY_GC_LOOP_LIMIT)
+    {
+      jerry_fatal (ERR_UNTERMINATED_GC_LOOPS);
+    }
+  }
+  while (JERRY_CONTEXT (ecma_gc_new_objects) != 0);
   ecma_finalize_lit_storage ();
 } /* ecma_finalize */