Support function object retrieval for async functions (#4668)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com

jerry-core/vm/vm-defines.h

@@ -57,6 +57,7 @@ typedef enum
 typedef struct
 {
   const ecma_compiled_code_t *bytecode_header_p;      /**< currently executed byte-code data */
+  ecma_object_t *function_object_p;                   /**< function obj */
   uint32_t status_flags;                              /**< combination of vm_frame_ctx_shared_flags_t bits */
 } vm_frame_ctx_shared_t;
 
@@ -66,16 +67,12 @@ typedef struct
 typedef struct
 {
   vm_frame_ctx_shared_t header;                       /**< shared data header */
-  ecma_object_t *function_object_p;                   /**< function obj */
   const ecma_value_t *arg_list_p;                     /**< arguments list */
   uint32_t arg_list_len;                              /**< arguments list length */
 } vm_frame_ctx_shared_args_t;
 
 #if JERRY_ESNEXT
 
-#define VM_FRAME_CTX_GET_FUNCTION_OBJECT(frame_ctx_p) \
-  (((vm_frame_ctx_shared_args_t *) (frame_ctx_p)->shared_p)->function_object_p)
-
 /**
  * Shared data extended with computed class fields
  */