Integrated: Fix 32-bit builds

[Aleksey Shipilev]

On Mon, 14 Jun 2021 08:02:45 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Currently fails with:

This pull request has now been integrated.

Changeset: 0b3dc74b
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/shenandoah/commit/0b3dc74b973c48817f5e280abf8102530bdb7a4f
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

Fix 32-bit builds

Reviewed-by: rkennke

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PR: https://git.openjdk.java.net/shenandoah/pull/49