Adjust set of default checkers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148055 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 1edc441..6baf6a6 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -1360,8 +1360,6 @@
     // Add default argument set.
     if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) {
       CmdArgs.push_back("-analyzer-checker=core");
-      CmdArgs.push_back("-analyzer-checker=deadcode");
-      CmdArgs.push_back("-analyzer-checker=security");
 
       if (getToolChain().getTriple().getOS() != llvm::Triple::Win32)
         CmdArgs.push_back("-analyzer-checker=unix");
diff --git a/test/Analysis/idempotent-operations.c b/test/Analysis/idempotent-operations.c
index 10bd9ff..4946fe9 100644
--- a/test/Analysis/idempotent-operations.c
+++ b/test/Analysis/idempotent-operations.c
@@ -1,5 +1,4 @@
 // RUN: %clang_cc1 -analyze -analyzer-store=region -analyzer-constraints=range -fblocks -analyzer-opt-analyze-nested-blocks -analyzer-checker=deadcode.IdempotentOperations -verify %s
-// RUN: %clang --analyze -Xclang -analyzer-disable-checker=deadcode.DeadStores -fblocks -Xclang -verify %s -o %t
 
 // Basic tests