1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/builtins/lib/mempcpy.c b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/mempcpy.c
new file mode 100644
index 000000000..bc16da536
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/builtins/lib/mempcpy.c
@@ -0,0 +1,22 @@
+extern void abort (void);
+extern int inside_main;
+
+__attribute__ ((__noinline__))
+void *
+mempcpy (void *dst, const void *src, __SIZE_TYPE__ n)
+{
+  const char *srcp;
+  char *dstp;
+
+#ifdef __OPTIMIZE__
+  if (inside_main)
+    abort ();
+#endif
+
+  srcp = src;
+  dstp = dst;
+  while (n-- != 0)
+    *dstp++ = *srcp++;
+
+  return dstp;
+}