1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr28121.c b/gcc/testsuite/gcc.dg/pr28121.c
new file mode 100644
index 000000000..5cbf8f89e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr28121.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+
+short
+GetCmd ()
+{
+  int c, c1;
+  for (c = 255; c == 255;)
+    {
+      c = GetMouseButton ();
+      if (c >= 0)
+	{
+	  c = ParsePos (c, -1, 0);
+	  c1 = ParsePos (c1, c, 1);
+	  if (c == c1 && (c >= 0 || c == -10))
+	    {
+	      return c;
+	    }
+	  if (c >= 0 && c1 == -12)
+	    {
+	      return ((((((10) + 1) + 1)) + 1) << 7) | c;
+	    }
+	  c = 255;
+	}
+    }
+}
+