jerry: merge a59cf4f from upstream to optimize the function call (#381)

Furthermore add a construct flag, which disallows calling certain
functions without new. Constructing bound arrow functions correctly
throws error now.

Author: Zoltan Herczeg<[email protected]>
PR-URL: jerryscript-project/jerryscript#2414

Author: yorkie

deps/jerry/jerry-core/debugger/debugger.h

@@ -93,6 +93,7 @@ typedef enum
   JERRY_DEBUGGER_VM_STOP = 1u << 2, /**< stop at the next breakpoint even if disabled */
   JERRY_DEBUGGER_VM_IGNORE = 1u << 3, /**< ignore all breakpoints */
   JERRY_DEBUGGER_VM_IGNORE_EXCEPTION = 1u << 4, /**< debugger stop at an exception */
+  JERRY_DEBUGGER_VM_EXCEPTION_THROWN = 1u << 5, /**< no need to stop for this exception */
   JERRY_DEBUGGER_PARSER_WAIT = 1u << 5, /**< debugger should wait after parsing is completed */
   JERRY_DEBUGGER_PARSER_WAIT_MODE = 1u << 6, /**< debugger is waiting after parsing is completed */
   JERRY_DEBUGGER_CLIENT_SOURCE_MODE = 1u << 7, /**< debugger waiting for client code */

deps/jerry/jerry-core/ecma/builtin-objects/ecma-builtins.c

@@ -245,6 +245,21 @@ ecma_builtin_get (ecma_builtin_id_t builtin_id) /**< id of built-in to check on
   return JERRY_CONTEXT (ecma_builtin_objects)[builtin_id];
 } /* ecma_builtin_get */
 
+/**
+ * Get reference to the global object
+ *
+ * Note:
+ *   Does not increase the reference counter.
+ *
+ * @return pointer to the global object
+ */
+inline ecma_object_t * __attr_always_inline___
+ecma_builtin_get_global (void)
+{
+  JERRY_ASSERT (JERRY_CONTEXT (ecma_builtin_objects)[ECMA_BUILTIN_ID_GLOBAL] != NULL);
+   return JERRY_CONTEXT (ecma_builtin_objects)[ECMA_BUILTIN_ID_GLOBAL];
+} /* ecma_builtin_get_global */
+
 /**
  * Checks whether the given function is a built-in routine
  *

deps/jerry/jerry-core/ecma/builtin-objects/ecma-builtins.h

@@ -98,6 +98,8 @@ bool
 ecma_builtin_is (ecma_object_t *obj_p, ecma_builtin_id_t builtin_id);
 ecma_object_t *
 ecma_builtin_get (ecma_builtin_id_t builtin_id);
+ecma_object_t *
+ecma_builtin_get_global (void);
 bool
 ecma_builtin_function_is_routine (ecma_object_t *func_obj_p);