RFR: 8366229: runtime/Thread/TooSmallStackSize.java runs with all collectors

[Aleksey Shipilev]

On Mon, 15 Sep 2025 15:39:16 GMT, Paul Hübner <phubner at openjdk.org> wrote:

> Hi all,
> 
> This change forces the `TooSmallStackSize.java` test to run on flagless VMs. Previously, this could get influenced by GC choice, whose flags were never propagated to the subprocess.
> 
> Testing: tier 1.
> 
> N.B.: Please ignore my fork's branch name, I copied and pasted the wrong ID.

Marked as reviewed by shade (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27297#pullrequestreview-3228176450