--- /dev/null
+diff -u -r ../gdb-8.1/gdb/gnulib/import/string.in.h ./gdb/gnulib/import/string.in.h
+--- ../gdb-8.1/gdb/gnulib/import/string.in.h 2017-06-04 17:51:26.000000000 +0200
++++ ./gdb/gnulib/import/string.in.h 2018-02-01 22:09:38.398023253 +0100
+@@ -183,9 +183,8 @@
+ #if @GNULIB_MEMPCPY@
+ # if ! @HAVE_MEMPCPY@
+ _GL_FUNCDECL_SYS (mempcpy, void *,
+- (void *restrict __dest, void const *restrict __src,
+- size_t __n)
+- _GL_ARG_NONNULL ((1, 2)));
++ (void * __dest, void const * __src,
++ size_t __n));
+ # endif
+ _GL_CXXALIAS_SYS (mempcpy, void *,
+ (void *restrict __dest, void const *restrict __src,