clang-format: [JS] "operator" is not a keyword in Java/JavaScript.

llvm-svn: 256245
diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index fdcc0b7..0957759 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -115,6 +115,11 @@
   verifyFormat("var union = 2;");
 }
 
+TEST_F(FormatTestJS, CppKeywords) {
+  // Make sure we don't mess stuff up because of C++ keywords.
+  verifyFormat("return operator && (aa);");
+}
+
 TEST_F(FormatTestJS, ES6DestructuringAssignment) {
   verifyFormat("var [a, b, c] = [1, 2, 3];");
   verifyFormat("let [a, b, c] = [1, 2, 3];");