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Subjectarch/arm/probes/kprobes/core.c:409:30: error: .fnstart must precede .save or .vsave directives
Following build warnings / errors noticed on arm with clang-13 / 14
on Linux next-20220923.

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

Regressions found on arm:

- build-clang-13-bcm2835_defconfig
- build-clang-nightly-imx_v6_v7_defconfig
- build-clang-nightly-orion5x_defconfig
- build-clang-13-keystone_defconfig
- build-clang-13-omap2plus_defconfig
- build-clang-14-imx_v6_v7_defconfig
- build-clang-nightly-omap2plus_defconfig
- build-clang-nightly-multi_v5_defconfig
- build-clang-nightly-bcm2835_defconfig
- build-clang-13-imx_v6_v7_defconfig
- build-clang-13-imx_v4_v5_defconfig
- build-clang-14-imx_v4_v5_defconfig
- build-clang-13-orion5x_defconfig
- build-clang-14-multi_v5_defconfig-65236a87
- build-clang-14-lkftconfig
- build-clang-nightly-imx_v4_v5_defconfig
- build-clang-13-multi_v5_defconfig
- build-clang-13-lkftconfig
- build-clang-nightly-keystone_defconfig
- build-clang-14-multi_v5_defconfig
- build-clang-14-orion5x_defconfig
- build-clang-14-omap2plus_defconfig
- build-clang-nightly-multi_v5_defconfig-65236a87
- build-clang-14-bcm2835_defconfig
- build-clang-14-keystone_defconfig
- build-clang-nightly-lkftconfig

arch/arm/probes/kprobes/core.c:409:30: error: .fnstart must precede
.save or .vsave directives
"stmdb sp, {sp, lr, pc} \n\t"
^
<inline asm>:3:2: note: instantiated into assembly here
.save {sp, lr, pc}
^
/builds/linux/arch/arm/probes/kprobes/core.c:412:29: error: .fnstart
must precede .pad directive
"stmdb sp!, {r0 - r11} \n\t"
^
<inline asm>:6:2: note: instantiated into assembly here
.pad #52
^
2 errors generated.
make[5]: *** [/builds/linux/scripts/Makefile.build:250:
arch/arm/probes/kprobes/core.o] Error 1

build log:
https://builds.tuxbuild.com/2FAyD1qcTlzjIYE7mjrugjCsxu1/

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

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