--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/builtin-assume-aligned-2.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+
+double *bar (void);
+
+void
+foo (double *ptr, int i)
+{
+  double *a = __builtin_assume_aligned (ptr, 16, 8, 7);	/* { dg-error "too many arguments to function" } */
+  double *b = __builtin_assume_aligned (bar (), 16);
+  double *c = __builtin_assume_aligned (bar (), 16, 8);
+  double *d = __builtin_assume_aligned (ptr, i, ptr);	/* { dg-error "non-integer argument 3 in call to function" } */
+  double *e = __builtin_assume_aligned (ptr, i, *ptr);	/* { dg-error "non-integer argument 3 in call to function" } */
+  *a = 0.0;
+  *b = 0.0;
+  *c = 0.0;
+  *d = 0.0;
+  *e = 0.0;
+}