RFR: 8255766: Fix linux+arm64 build after 8254072

Mon Nov 2 17:45:56 UTC 2020

On Mon, 2 Nov 2020 17:42:51 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

>> Fixing this problem:
>> 
>>  1501 | assert(StackOverflow::stack_shadow_zone_size() == (int)StackOverflow::stack_shadow_zone_size(), "must be same");
>> Verified via a linux+arm64 slowdebug build and a windows+arm64 slowdebug build.
>
> It looks OK to me, given that it compiles with gcc+msdev.

Someone in hotspot team needs to determine if this is a "trivial" fix or not.

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PR: https://git.openjdk.java.net/jdk/pull/1013