From 450096531699a882ba4824bf2ce72ad7f09359a0 Mon Sep 17 00:00:00 2001
From: Ruben Ayrapetyan <r.ayrapetyan@samsung.com>
Date: Wed, 28 Oct 2015 18:52:39 +0300
Subject: [PATCH] Fix handling of non-reference operands in prefix operations.

JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
---
 jerry-core/parser/js/opcodes-dumper.cpp | 2 +-
 tests/jerry/arithmetics-2.js            | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/jerry-core/parser/js/opcodes-dumper.cpp b/jerry-core/parser/js/opcodes-dumper.cpp
index 60552f82f..cea762e12 100644
--- a/jerry-core/parser/js/opcodes-dumper.cpp
+++ b/jerry-core/parser/js/opcodes-dumper.cpp
@@ -1225,7 +1225,7 @@ check_operand_in_prefix_operation (jsp_operand_t obj) /**< operand, which type s
   const op_meta last = last_dumped_op_meta ();
   if (last.op.op_idx != VM_OP_PROP_GETTER)
   {
-    if (obj.is_empty_operand ())
+    if (obj.is_register_operand ())
     {
       /*
        * FIXME:
diff --git a/tests/jerry/arithmetics-2.js b/tests/jerry/arithmetics-2.js
index 0e8c34257..83c1b1891 100644
--- a/tests/jerry/arithmetics-2.js
+++ b/tests/jerry/arithmetics-2.js
@@ -43,3 +43,11 @@ assert (++o.p === 2);
 assert (o.p === 2);
 assert (--o.p === 1);
 assert (o.p === 1);
+
+try {
+  eval ('++ ++ a');
+  assert (false);
+}
+catch (e) {
+  assert (e instanceof ReferenceError);
+}