RFR: 8351154: Use -ftrivial-auto-var-init=pattern for clang too

[Kim Barrett]

On Tue, 4 Mar 2025 11:31:03 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> This is a trivial (no pun intended) follow-up to [JDK-8345627](https://bugs.openjdk.org/browse/JDK-8345627), which just enables the -ftrivial-auto-var-init=pattern on debug builds for clang too. In contrast to gcc, the clang option did not trigger any additional warnings, so it is just about enabling the flag for debug builds.

Looks good to me, but you should get the aix-ppc folks to verify there aren't any
surprises for them from turning this on.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/23892#pullrequestreview-2657253001