RFR: 8351241: Require minimum gcc version 12

[SendaoYan]

On Wed, 5 Mar 2025 07:32:32 GMT, David Holmes <dholmes at openjdk.org> wrote:

> > After [JDK-8345627](https://bugs.openjdk.org/browse/JDK-8345627), the minumum gcc version should be 12
> 
> Or JDK-8345627 change should only be enabled when gcc version is >= 12.

JDK-8345627 has already check the gcc compiler support -ftrivial-auto-var-init=pattern or not by macro function FLAGS_COMPILER_CHECK_ARGUMENTS. If the gcc do not support -ftrivial-auto-var-init=pattern option, this option will not take effect during configure.

So it's not a issue actually?

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PR Comment: https://git.openjdk.org/jdk/pull/23913#issuecomment-2700136712