[lworld] RFR: 8269231: Fix 32-bit Valhalla (Zero) builds

[Aleksey Shipilev]

On Wed, 23 Jun 2021 12:58:33 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Building linux-x86-zero-fastdebug builds shows a few 32-bit cleanliness problems.
> 
> The first failure is:

Yup. I think the vast majority of these issues would break x86_32-server too, but that would also need some macroAssembler fixes to work. I have a few prototype fixes there. Meanwhile, it would be nice to unbreak 32-bit Zero builds.

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PR: https://git.openjdk.java.net/valhalla/pull/460