[jdk21u] Integrated: 8312591: GCC 6 build failure after JDK-8280982

[Aleksey Shipilev]

On Wed, 2 Aug 2023 08:22:52 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to upgrade older toolchains.
> Risk is low, adds a few warning exclusions.
> 
> Additional testing:
>  - [x] GHA

This pull request has now been integrated.

Changeset: 230df992
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u/commit/230df9923e32e822daa05ae32ce93cece43b28df
Stats:     2 lines in 1 file changed: 2 ins; 0 del; 0 mod

8312591: GCC 6 build failure after JDK-8280982

Backport-of: 9454b2bbe130fdbe86485b928b80d19156c709ee

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PR: https://git.openjdk.org/jdk21u/pull/32