[jdk11u-dev] RFR: 8293887: AArch64 build failure with GCC 12 due to maybe-uninitialized warning in libfdlibm k_rem_pio2.c

[Paul Hohensee]

On Mon, 13 May 2024 13:07:12 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
>   This is backport of [JDK-8293887](https://bugs.openjdk.org/browse/JDK-8293887). It's not clean backport, because the file `make/lib/CoreLibraries.gmk` has been moved to `make/modules/java.base/lib/CoreLibraries.gmk`
> 
> Thanks!
> 
> 
> Make test list:
> 
> - [x] linux x64 gcc10
> - [x] linux x64 gcc13
> - [x] linux aarch64 gcc10
> - [x] linux aarch64 gcc13
> - [x] linux riscv64 gcc13
> 
> 
> [make-linux-aarch64-gcc10.log](https://github.com/openjdk/jdk11u-dev/files/15295807/make-linux-aarch64-gcc10.log)
> [make-linux-aarch64-gcc13.log](https://github.com/openjdk/jdk11u-dev/files/15295808/make-linux-aarch64-gcc13.log)
> [make-linux-x64-gcc10.log](https://github.com/openjdk/jdk11u-dev/files/15295809/make-linux-x64-gcc10.log)
> [make-linux-x64-gcc13.log](https://github.com/openjdk/jdk11u-dev/files/15295810/make-linux-x64-gcc13.log)
> [make-linux-riscv64-gcc13.log](https://github.com/openjdk/jdk11u-dev/files/15295880/make-linux-riscv64-gcc13.log)
> 
> linux riscv64 gcc13 build jdk11u-dev failure because other reasons, the `k_rem_pio2.c` file not longer compile fail after this PR.

Clean backport from 17u, net of file location change.

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Marked as reviewed by phh (Reviewer).

PR Review: https://git.openjdk.org/jdk11u-dev/pull/2709#pullrequestreview-2055744150