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-rw-r--r--tools/js-optimizer.js2
1 files changed, 0 insertions, 2 deletions
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index 20d4d3d2..3e1b2b7f 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -1142,8 +1142,6 @@ function simplifyNotComps(ast) {
simplifyNotCompsPass = false;
}
-var NO_SIDE_EFFECTS = set('num', 'name');
-
function hasSideEffects(node) { // this is 99% incomplete!
switch (node[0]) {
case 'num': case 'name': return false;