--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/pr39226.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,34 @@
+/* PR target/39226 */
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-options "-O2 -mtune=cell -mminimal-toc" { target { powerpc*-*-* && lp64 } } } */
+
+#if (__SIZEOF_INT__ == 2)	
+struct A
+{
+  char *a;
+  unsigned int b : 1;
+  unsigned int c : 15;
+};
+#else
+struct A
+{
+  char *a;
+  unsigned int b : 1;
+  unsigned int c : 31;
+};
+#endif
+
+struct B
+{
+  struct A *d;
+};
+
+void
+foo (struct B *x, unsigned long y)
+{
+  if (x->d[y].c)
+    return;
+  if (x->d[y].b)
+    x->d[y].a = 0;
+}