Checking patch sysdeps/riscv/multiarch/memchr-generic.c...
error: sysdeps/riscv/multiarch/memchr-generic.c: already exists in working directory
Checking patch sysdeps/riscv/multiarch/memchr-vector.S...
error: sysdeps/riscv/multiarch/memchr-vector.S: already exists in working directory
Checking patch sysdeps/riscv/rvv/memchr.S...
error: sysdeps/riscv/rvv/memchr.S: already exists in working directory
Checking patch sysdeps/unix/sysv/linux/riscv/multiarch/Makefile...
error: while searching for:
ifeq ($(subdir),string)
sysdep_routines += \
  memcpy \
  memcpy-generic \
  memcpy-vector \

error: patch failed: sysdeps/unix/sysv/linux/riscv/multiarch/Makefile:1
error: sysdeps/unix/sysv/linux/riscv/multiarch/Makefile: patch does not apply
Checking patch sysdeps/unix/sysv/linux/riscv/multiarch/ifunc-impl-list.c...
Checking patch sysdeps/unix/sysv/linux/riscv/multiarch/memchr.c...
error: sysdeps/unix/sysv/linux/riscv/multiarch/memchr.c: already exists in working directory