--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/fold-bitand-4.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,44 @@
+/* { dg-do compile { target { c } } } */
+/* { dg-options "-fdump-tree-original" } */
+/* { dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
+
+typedef char char4[4] __attribute__ ((aligned (4)));
+char4 c4[4] __attribute__ ((aligned (16)));
+
+typedef char char16[16] __attribute__ ((aligned (16)));
+char16 c16[4] __attribute__ ((aligned (4)));
+
+int f1 (void)
+{
+  /* 12 */
+  return 15 & (__SIZE_TYPE__)&c4[3];
+}
+
+int f2 (int i)
+{
+  /* Indeterminate */
+  return 15 & (__SIZE_TYPE__)&c4[i];
+}
+
+int f3 (int i)
+{
+  /* 0 */
+  return 3 & (__SIZE_TYPE__)&c4[i];
+}
+
+int f4 (int i)
+{
+  /* Indeterminate */
+  return 7 & (__SIZE_TYPE__)&c16[i];
+}
+
+int f5 (int i)
+{
+  /* 0 */
+  return 3 & (__SIZE_TYPE__)&c16[i];
+}
+
+/* { dg-final { scan-tree-dump-times "return \[^\n0-9\]*12;" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "\& 15" 1 "original" } } */
+/* { dg-final { scan-tree-dump-times "return \[^\n0-9\]*0;" 2 "original" } } */
+/* { dg-final { scan-tree-dump-times "\& 7" 1 "original" } } */