1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/pr22237-lib.c b/gcc/testsuite/gcc.c-torture/execute/builtins/pr22237-lib.c
new file mode 100644
index 000000000..440323574
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/pr22237-lib.c
@@ -0,0 +1,27 @@
+extern void abort (void);
+
+void *
+memcpy (void *dst, const void *src, __SIZE_TYPE__ n)
+{
+  const char *srcp;
+  char *dstp;
+
+  srcp = src;
+  dstp = dst;
+
+  if (dst < src)
+    {
+      if (dst + n > src)
+	abort ();
+    }
+  else
+    {
+      if (src + n > dst)
+	abort ();
+    }
+
+  while (n-- != 0)
+    *dstp++ = *srcp++;
+
+  return dst;
+}