Debugger: Support rvalue references in functions args with gdb

Change-Id: I5383ffa38f07e3f191619555a9e735c211b3dd8b
Reviewed-by: Marco Bubke <marco.bubke@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

share/qtcreator/debugger/gdbbridge.py

@@ -309,6 +309,11 @@ class Dumper(DumperBase):
             targetType = self.fromNativeType(nativeType.target().unqualified())
             return self.createReferenceType(targetType)
 
+        if code == gdb.TYPE_CODE_RVALUE_REF:
+            #warn('RVALUEREF')
+            targetType = self.fromNativeType(nativeType.target())
+            return self.createRValueReferenceType(targetType)
+
         if code == gdb.TYPE_CODE_ARRAY:
             #warn('ARRAY')
             nativeTargetType = nativeType.target().unqualified()