1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr33648.c b/gcc/testsuite/gcc.dg/pr33648.c
new file mode 100644
index 000000000..f5da55cd4
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr33648.c
@@ -0,0 +1,14 @@
+/* PR rtl-optimization/33648 */
+/* { dg-do compile } */
+/* { dg-require-effective-target freorder } */
+/* { dg-options "-O2 -fmodulo-sched -freorder-blocks-and-partition" } */
+
+unsigned res;
+
+void
+foo (unsigned code, int len)
+{
+  int i;
+  for (i = 0; i < len; i++)
+    res |= code & 1;
+}