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Unified Diff: src/regexp.js

Issue 1254723005: Revert of Revert "In RegExp, lastIndex is read with ToLength, not ToInteger" (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 5 months ago
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Index: src/regexp.js
diff --git a/src/regexp.js b/src/regexp.js
index bf75ca1b011e4f5a30013a84621a9d9e3b5a882b..6c6b11cfd624c7e5ff5a5aad5ef7e2bc2a50181c 100644
--- a/src/regexp.js
+++ b/src/regexp.js
@@ -154,9 +154,9 @@
string = TO_STRING_INLINE(string);
var lastIndex = this.lastIndex;
- // Conversion is required by the ES5 specification (RegExp.prototype.exec
- // algorithm, step 5) even if the value is discarded for non-global RegExps.
- var i = TO_INTEGER(lastIndex);
+ // Conversion is required by the ES6 specification (RegExpBuiltinExec
+ // algorithm, step 4) even if the value is discarded for non-global RegExps.
+ var i = $toLength(lastIndex);
var updateLastIndex = this.global || (harmony_regexps && this.sticky);
if (updateLastIndex) {
@@ -202,9 +202,9 @@
var lastIndex = this.lastIndex;
- // Conversion is required by the ES5 specification (RegExp.prototype.exec
- // algorithm, step 5) even if the value is discarded for non-global RegExps.
- var i = TO_INTEGER(lastIndex);
+ // Conversion is required by the ES6 specification (RegExpBuiltinExec
+ // algorithm, step 4) even if the value is discarded for non-global RegExps.
+ var i = $toLength(lastIndex);
if (this.global || (harmony_regexps && this.sticky)) {
if (i < 0 || i > string.length) {
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