Fix my_memmove in gcc.c-torture/execute/builtins/memops-asm-lib.c

2017-08-06  Tom de Vries  <tom@codesourcery.com>

	* gcc.c-torture/execute/builtins/memops-asm-lib.c (my_memmove):  Fix return
	type.  Add missing return.

From-SVN: r250897

gcc/testsuite/ChangeLog

 2017-08-06  Tom de Vries  <tom@codesourcery.com>
 
+	* gcc.c-torture/execute/builtins/memops-asm-lib.c (my_memmove):  Fix return
+	type.  Add missing return.
+
+2017-08-06  Tom de Vries  <tom@codesourcery.com>
+
 	PR testsuite/81731
 	* gcc.dg/torture/pr78218.c (struct v): New type, factored type out of
 	variable 'a' definition.

gcc/testsuite/gcc.c-torture/execute/builtins/memops-asm-lib.c

@@ -38,7 +38,7 @@ my_bcopy (const void *s, void *d, size_t n)
 }
 
 __attribute__ ((used))
-void
+void *
 my_memmove (void *d, const void *s, size_t n)
 {
   char *dst = (char *) d;
@@ -53,6 +53,8 @@ my_memmove (void *d, const void *s, size_t n)
       while (n--)
 	*--dst = *--src;
     }
+
+  return d;
 }
 
 /* LTO code is at the present to able to track that asm alias my_bcopy on builtin