Fix arrow function this binding resolving if environment record is present (#4878)

This patch fixes #4872 and fixes #4876. JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik robert.fancsik@h-lab.eu
2021-12-15 11:32:31 +01:00
parent 7e0aa086ec
commit 070096f30f
6 changed files with 90 additions and 8 deletions
@@ -579,9 +579,15 @@ ecma_op_get_environment_record (ecma_object_t *lex_env_p) /**< lexical environme
      }
    }

-    JERRY_ASSERT (lex_env_p->u2.outer_reference_cp != JMEM_CP_NULL);
+    if (lex_env_p->u2.outer_reference_cp == JMEM_CP_NULL)
+    {
+      break;
+    }
+
    lex_env_p = ECMA_GET_NON_NULL_POINTER (ecma_object_t, lex_env_p->u2.outer_reference_cp);
  }
+
+  return NULL;
 } /* ecma_op_get_environment_record */

 /**