Bug 1635678 Comment 1 Edit History

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Original comment by
on 
[[Bug 1632686](https://bugzilla.mozilla.org/show_bug.cgi?id=1632686)] introduced behavior where StyleSheets are cloned before they are put into the XUL cache [[here](https://searchfox.org/mozilla-central/rev/dc4560dcaafd79375b9411fdbbaaebb0a59a93ac/layout/style/Loader.cpp#1859)].

It's understandable that this would cause more overall heap allocations. I am looking into whether memory reporting the XUL cache will improve these numbers in [[Bug 1636266](https://bugzilla.mozilla.org/show_bug.cgi?id=1636266)].
Revision 1 by
on 
[[Bug 1632686](https://bugzilla.mozilla.org/show_bug.cgi?id=1632686)] introduced behavior where StyleSheets are cloned before they are put into the XUL cache [[here](https://searchfox.org/mozilla-central/rev/dc4560dcaafd79375b9411fdbbaaebb0a59a93ac/layout/style/Loader.cpp#1859)].

It's understandable that this would cause more overall heap allocations. I am looking into whether memory reporting the XUL cache will improve these numbers in [[Bug 1636266](https://bugzilla.mozilla.org/show_bug.cgi?id=1636266)].

I find it curious that the alert was triggered only for Windows10-64.

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