Fix found V8 deopt.

Increases perf from 230K to 360K lines/sec on std bench on my machine.
2015-02-05 00:02:21 +02:00 · 2015-02-05 00:02:21 +02:00 · 7264bc0178
commit 7264bc0178
parent c034550215
1 changed files with 1 additions and 1 deletions
--- a/acorn.js
+++ b/acorn.js
@ -1238,7 +1238,7 @@
  function readWord1() {
    containsEsc = false;
    var word = "", first = true, chunkStart = tokPos;
-    for (;;) {
+    while (tokPos < inputLen) {
      var ch = input.charCodeAt(tokPos);
      if (isIdentifierChar(ch)) {
        ++tokPos;