[Attributor] Disable the Attributor by default and fix a comment

llvm-svn: 363408
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 9adf5e7..0915a99 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -59,7 +59,7 @@
 static cl::opt<bool> DisableAttributor(
     "attributor-disable", cl::Hidden,
     cl::desc("Disable the attributor inter-procedural deduction pass."),
-    cl::init(false));
+    cl::init(true));
 
 static cl::opt<bool> VerifyAttributor(
     "attributor-verify", cl::Hidden,