For Radar reporting, null dereferences should be default classified as "Crash/Hang/Data loss" <rdar://problem/6315624>

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58045 91177308-0d34-0410-b5e6-96231b3b80d8

tools/scan-view/Reporter.py

@@ -164,6 +164,8 @@ class RadarClassificationParameter(SelectionParameter):
   def getValue(self,r,bugtype,getConfigOption):
     if bugtype.startswith("leak"):
       return '3'
+    elif bugtype.find("dereference") != -1:
+      return '2'
     else:
       return '7'