RFR: 8254352: 3 compiler tests failed with "assert(allocates2(pc)) failed"

[Aleksey Shipilev]

On Sun, 11 Oct 2020 17:49:20 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> JDK-8252847 changes added new AVX3 specific stubs for arraycopy and increased code buffer size but it was not enough.
>> On Windows we need 3500 bytes more because additional code is used to preserve registers.
>> 
>> Tested hs tier1-3 and ran bug's tests on machine where they failed.
>
> Marked as reviewed by shade (Reviewer).

Note: you would not be able to integrate until PR and issue title match, see "Integration Blocker" notice in the PR
body.

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PR: https://git.openjdk.java.net/jdk/pull/592