Optimize property call opcodes (#2609)

In with contexts the object base value must be resolved before executing a call operation.
Since this happens rarely the base resolving code paths has been seperated to an other VM opcode
so these extra checks do not burden the general property call steps.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu

jerry-core/parser/js/js-parser-expr.c

@@ -1556,6 +1556,8 @@ parser_process_unary_expression (parser_context_t *context_p) /**< context */
                                        CBC_PUSH_IDENT_REFERENCE,
                                        context_p->last_cbc.third_literal_index);
             }
+
+            parser_emit_cbc_ext (context_p, CBC_EXT_RESOLVE_BASE);
           }
         }