src/runtime.js - Issue 147075: Allocate arguments object on-demand instead of at function entry....

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Unified Diff: src/runtime.js

Issue 147075: Allocate arguments object on-demand instead of at function entry.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/

Patch Set: Created 11 years, 6 months ago

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Index: src/runtime.js

===================================================================

--- src/runtime.js (revision 2255)

+++ src/runtime.js (working copy)

@@ -391,8 +391,9 @@

function APPLY_PREPARE(args) {

var length;

- // First check whether length is a positive Smi and args is an array. This is the

- // fast case. If this fails, we do the slow case that takes care of more eventualities

+ // First check whether length is a positive Smi and args is an

+ // array. This is the fast case. If this fails, we do the slow case

+ // that takes care of more eventualities.

if (%_IsArray(args)) {

length = args.length;

if (%_IsSmi(length) && length >= 0 && length < 0x800000 && IS_FUNCTION(this)) {

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