linux-kernel - arm: gcc-8: drivers/pinctrl/mediatek/../core.h:211:21: error: initializer element is not constant (struct group

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Date:   Mon, 4 Dec 2023 17:38:36 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        lkft-triage@...ts.linaro.org,
        Linux Regressions <regressions@...ts.linux.dev>,
        "moderated list:ARM/Mediatek SoC..." 
        <linux-mediatek@...ts.infradead.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>, sean.wang@...nel.org,
        Arnd Bergmann <arnd@...db.de>,
        Russell King - ARM Linux <linux@...linux.org.uk>
Subject: arm: gcc-8: drivers/pinctrl/mediatek/../core.h:211:21: error:
 initializer element is not constant (struct group_desc)

Following build errors noticed on Linux next-20231204 tag with gcc-8 toolchain
for arm and arm64.

## Test Regressions (compared to next-20231201)
* arm, build
  - gcc-8-defconfig

* arm64, build
  - gcc-8-defconfig

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

Build log arm and arm64:
------------
In file included from drivers/pinctrl/mediatek/pinctrl-moore.h:21,
                 from drivers/pinctrl/mediatek/pinctrl-mt7623.c:11:
drivers/pinctrl/mediatek/../core.h:211:21: error: initializer element
is not constant
 (struct group_desc) {      \
                     ^

Links:
- https://storage.tuxsuite.com/public/linaro/lkft/builds/2Z43zPIMN6vxVKd9rKJFdOKXpox/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/testrun/21472198/suite/build/test/gcc-8-defconfig/details/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/testrun/21472585/suite/build/test/gcc-8-defconfig/details/
 - https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20231204/testrun/21472800/suite/build/test/gcc-8-defconfig/history/

Steps to reproduce:
---------------
# tuxmake --runtime podman --target-arch arm64 --toolchain gcc-8
--kconfig defconfig



--
Linaro LKFT
https://lkft.linaro.org