diff --git a/share/qtcreator/gdbmacros/dumper.py b/share/qtcreator/gdbmacros/dumper.py
index 32566ee2df8..49b09ec96cc 100644
--- a/share/qtcreator/gdbmacros/dumper.py
+++ b/share/qtcreator/gdbmacros/dumper.py
@@ -866,6 +866,7 @@ class Item:
 qqFormats = {}
 qqDumpers = {}
 qqNs = ""
+qqQObjectCache = {}
 
 
 class SetupCommand(gdb.Command):
@@ -1134,6 +1135,24 @@ class Dumper:
 
         #print('data=[' + locals + sep + watchers + '],bkpts=[' + breakpoints + ']\n')
 
+    def checkForQObjectBase(self, type):
+        if type.code != gdb.TYPE_CODE_STRUCT:
+            return False
+        name = str(type)
+        if name in qqQObjectCache:
+            return qqQObjectCache[name]
+        if name == self.ns + "QObject":
+            qqQObjectCache[name] = True
+            return True
+        fields = type.strip_typedefs().fields()
+        if len(fields) == 0:
+            qqQObjectCache[name] = False
+            return False
+        base = fields[0].type.strip_typedefs()
+        result = self.checkForQObjectBase(base)
+        qqQObjectCache[name] = result
+        return result
+
 
     def handleWatch(self, exp, iname):
         exp = str(exp)
diff --git a/share/qtcreator/gdbmacros/gdbmacros.py b/share/qtcreator/gdbmacros/gdbmacros.py
index 0d8f4a7da0d..9c274ed4426 100644
--- a/share/qtcreator/gdbmacros/gdbmacros.py
+++ b/share/qtcreator/gdbmacros/gdbmacros.py
@@ -704,8 +704,6 @@ def qdump__QObject(d, item):
                     # Static properties.
                     propertyData = metaData[7]
                     for i in xrange(staticPropertyCount):
-
-                    for property in xrange(propertyCount):
                         with SubItem(d):
                             offset = propertyData + 3 * i
                             propertyName = extractCString(metaStringData, metaData[offset])