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Unified Diff: src/js/array.js

Issue 1418093007: Revert of Check that array length stays a safe integer in Array.prototype.push (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 2 months ago
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Index: src/js/array.js
diff --git a/src/js/array.js b/src/js/array.js
index 0eb06fac8fd8fbd876446aab61a0515559884359..b13e4e239223093af848f17b0b61d4a02390e371 100644
--- a/src/js/array.js
+++ b/src/js/array.js
@@ -516,15 +516,6 @@
var array = TO_OBJECT(this);
var n = TO_LENGTH_OR_UINT32(array.length);
var m = %_ArgumentsLength();
-
- // It appears that there is no enforced, absolute limit on the number of
- // arguments, but it would surely blow the stack to use 2**30 or more.
- // To avoid integer overflow, do the comparison to the max safe integer
- // after subtracting 2**30 from both sides. (2**31 would seem like a
- // natural value, but it is negative in JS, and 2**32 is 1.)
- if (m > (1 << 30) || (n - (1 << 30)) + m > kMaxSafeInteger - (1 << 30)) {
- throw MakeTypeError(kPushPastSafeLength, m, n);
- }
for (var i = 0; i < m; i++) {
array[i+n] = %_Arguments(i);
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