[analyzer] Re-enable cplusplus.NewDelete (but not NewDeleteLeaks).

As mentioned in the previous commit message, the use-after-free and
double-free warnings for 'delete' are worth enabling even while the
leak warnings still have false positives.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@178891 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/analyzer/SATestBuild.py b/utils/analyzer/SATestBuild.py
index 067be16..e119155 100755
--- a/utils/analyzer/SATestBuild.py
+++ b/utils/analyzer/SATestBuild.py
@@ -168,8 +168,9 @@
 SBOutputDirReferencePrefix = "Ref"
 
 # The list of checkers used during analyzes.
-# Currently, consists of all the non experimental checkers.
-Checkers="alpha.unix.SimpleStream,alpha.security.taint,core,deadcode,security,unix,osx"
+# Currently, consists of all the non experimental checkers, plus a few alpha
+# checkers we don't want to regress on.
+Checkers="alpha.unix.SimpleStream,alpha.security.taint,alpha.cplusplus.NewDeleteLeaks,core,cplusplus,deadcode,security,unix,osx"
 
 Verbose = 1