Fix some bugs and reduce memory usage from DateObject

* Manage a corner case in computing node LOC from bytecode
  * Change the VM's timezoneID setting to be lazy (because of a memory usage)
  * Fix some bugs on DateObject operation

Signed-off-by: Saebom Kim sae-bom.kim@samsung.com

src/interpreter/ByteCode.cpp

@@ -53,6 +53,9 @@ ExtendedNodeLOC ByteCodeBlock::computeNodeLOCFromByteCode(Context* c, size_t cod
     for (size_t i = 0; i < m_locData.size(); i++) {
         if (m_locData[i].first == codePosition) {
             index = m_locData[i].second;
+            if (index == SIZE_MAX) {
+                return ExtendedNodeLOC(SIZE_MAX, SIZE_MAX, SIZE_MAX);
+            }
             break;
         }
     }