[analyzer] Remove '-analyzer-experimental-internal-checks' flag, it doesn't have any checkers associated with it anymore.

llvm-svn: 126440
diff --git a/clang/test/Analysis/operator-calls.cpp b/clang/test/Analysis/operator-calls.cpp
index 892a1ab..97d5422 100644
--- a/clang/test/Analysis/operator-calls.cpp
+++ b/clang/test/Analysis/operator-calls.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -analyze -analyzer-experimental-internal-checks -analyzer-check-objc-mem  -analyzer-experimental-checks -verify %s
+// RUN: %clang_cc1 -analyze -analyzer-checker=core.experimental -analyzer-check-objc-mem  -analyzer-experimental-checks -verify %s
 struct X0 { };
 bool operator==(const X0&, const X0&);