diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 93cab0e4e4d29c979f78a38857ad49407a024eef..41c296034edeecf6d56080503b970489a0c69a02 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2010-07-23  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/45047
+	* gcc.c-torture/compile/pr45047.c: New test.
+
 2010-07-23  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.dg/float-range-3.c: Use "dg-do compile" dejagnu directive
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr45047.c b/gcc/testsuite/gcc.c-torture/compile/pr45047.c
new file mode 100644
index 0000000000000000000000000000000000000000..f37955a0372beb38757333b56c9ffbb34865b575
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr45047.c
@@ -0,0 +1,9 @@
+/* PR tree-optimization/45047 */
+
+void
+foo (const unsigned short *w, char *x, int y, int z)
+{
+  int i;
+  for (i = 0; i < y; i++)
+    x[i] = w[i] == z;
+}