Fixed the issue where gc was triggered during the attribute search pr…

jerry-core/ecma/base/ecma-gc.c

@@ -2109,6 +2109,7 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
 void
 ecma_gc_run (void)
 {
+  JERRY_CONTEXT(running_gc_count)++;
 #if (JERRY_GC_MARK_LIMIT != 0)
   JERRY_ASSERT (JERRY_CONTEXT (ecma_gc_mark_recursion_limit) == JERRY_GC_MARK_LIMIT);
 #endif /* (JERRY_GC_MARK_LIMIT != 0) */
@@ -2235,6 +2236,7 @@ ecma_gc_run (void)
   /* Free RegExp bytecodes stored in cache */
   re_cache_gc ();
 #endif /* JERRY_BUILTIN_REGEXP */
+  JERRY_CONTEXT(running_gc_count)--;
 } /* ecma_gc_run */
 
 /**

jerry-core/ecma/base/ecma-helpers.c

@@ -729,7 +729,7 @@ ecma_find_named_property (ecma_object_t *obj_p, /**< object to find property in
   }
 
 #if JERRY_PROPERTY_HASHMAP
-  if (steps >= (ECMA_PROPERTY_HASMAP_MINIMUM_SIZE / 2))
+  if (steps >= (ECMA_PROPERTY_HASMAP_MINIMUM_SIZE / 2) && JERRY_CONTEXT(running_gc_count) == 0)
   {
     ecma_property_hashmap_create (obj_p);
   }

jerry-core/jcontext/jcontext.h

@@ -156,6 +156,7 @@ struct jerry_context_t
   jerry_external_string_free_cb_t external_string_free_callback_p; /**< free callback for external strings */
   void *error_object_created_callback_user_p; /**< user pointer for error_object_update_callback_p */
   jerry_error_object_created_cb_t error_object_created_callback_p; /**< decorator callback for Error objects */
+  uint32_t running_gc_count; /**< The current status of gc */
   size_t ecma_gc_objects_number; /**< number of currently allocated objects */
   size_t ecma_gc_new_objects; /**< number of newly allocated objects since last GC session */
   size_t jmem_heap_allocated_size; /**< size of allocated regions */

jerry-core/jmem/jmem-heap.c

@@ -103,6 +103,7 @@ jmem_heap_init (void)
   JMEM_VALGRIND_NOACCESS_SPACE (JERRY_HEAP_CONTEXT (area), JMEM_HEAP_AREA_SIZE);
 
 #endif /* !JERRY_SYSTEM_ALLOCATOR */
+  JERRY_CONTEXT(running_gc_count) = 0;
   JMEM_HEAP_STAT_INIT ();
 } /* jmem_heap_init */
 

tests/jerry/gc-hashmap.js

@@ -0,0 +1,22 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var a = [ ];
+for (var v = 0; v < 256; v++)
+{
+    var n = Object.create(null);
+    a.push(n, a);
+    n = new WeakSet(a);
+    n.o = 1;
+}