The user-visible preprocessor construct is called __has_include.
+2019-06-06 Florian Weimer <fweimer@redhat.com>
+
+ * sysdeps/unix/sysv/linux/riscv/flush-icache.c: Do not use
+ internal GCC preprocessor identifier __has_include__.
+
2019-06-05 Paul A. Clarke <pc@us.ibm.com>
* sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Replace code
#include <stdlib.h>
#include <atomic.h>
#include <sys/cachectl.h>
-#if __has_include__ (<asm/syscalls.h>)
+#if __has_include (<asm/syscalls.h>)
# include <asm/syscalls.h>
#else
# include <asm/unistd.h>