[Webkit-unassigned] [Bug 129429] [Win32][LLINT] Crash when running JSC stress tests.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=129429





--- Comment #11 from Geoffrey Garen <ggaren at apple.com>  2014-02-27 10:52:13 PST ---
(From update of attachment 225383)
View in context: https://bugs.webkit.org/attachment.cgi?id=225383&action=review

> Source/JavaScriptCore/jit/AssemblyHelpers.cpp:93
> +    // Dummy operation to make sure the system commits memory, and moves the guard page.

I think this is the key misunderstanding in this patch.

What the Microsoft doc says is, "... the reserved size minus one page (which is used as a guard page to prevent stack overflow)". So, the guard page starts out at the end of the reserved space, and is not moved by incremental virtual memory commits.

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