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-rw-r--r--tools/js-optimizer.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/js-optimizer.js b/tools/js-optimizer.js
index 79599528..b51fe22e 100644
--- a/tools/js-optimizer.js
+++ b/tools/js-optimizer.js
@@ -388,7 +388,7 @@ function simplifyExpressionsPre(ast) {
function simplifyBitops(ast) {
var USEFUL_BINARY_OPS = set('<<', '>>', '|', '&', '^');
- var SAFE_BINARY_OPS = set('+', '-', '*', '/', '%');
+ var SAFE_BINARY_OPS = set('+', '-', '*', '%'); // division is unsafe as it creates non-ints in JS
var ZERO = ['num', 0];
var rerun = true;
while (rerun) {