Hi,
I forgot to adjust prototype for arm_vectorize_vec_perm_const, which,
resulted in following
build error:

# 00:05:33 make[3]: [Makefile:1787:
armv8l-unknown-linux-gnueabihf/bits/largefile-config.h] Error 1
(ignored)
# 00:10:53 /home/tcwg-buildslave/workspace/tcwg_gnu_4/abe/snapshots/gcc.git~master/gcc/config/arm/arm.cc:299:13:
error: ‘bool arm_vectorize_vec_perm_const(machine_mode, rtx, rtx, rtx,
const vec_perm_indices&)’ declared ‘static’ but never defined
[-Werror=unused-function]
# 00:12:22 make[3]: *** [Makefile:2418: arm.o] Error 1
# 00:23:34 make[2]: *** [Makefile:5005: all-stage2-gcc] Error 2
# 00:23:34 make[1]: *** [Makefile:25739: stage2-bubble] Error 2
# 00:23:34 make: *** [Makefile:1072: all] Error 2

https://gcc.gnu.org/pipermail/gcc-regression/2022-May/076645.html

The attached patch fixes it.
OK to commit ?

Thanks,
Prathamesh