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-rw-r--r--tools/eslint/lib/util/estraverse.js1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/eslint/lib/util/estraverse.js b/tools/eslint/lib/util/estraverse.js
index 53015fe067..d2e0d9a8f1 100644
--- a/tools/eslint/lib/util/estraverse.js
+++ b/tools/eslint/lib/util/estraverse.js
@@ -33,6 +33,7 @@ var experimentalKeys = {
*/
function installKeys(keys) {
for (var key in keys) {
+ /* istanbul ignore else */
if (keys.hasOwnProperty(key)) {
estraverse.Syntax[key] = key;
if (keys[key]) {