1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr18241-3.c b/gcc/testsuite/gcc.dg/pr18241-3.c
new file mode 100644
index 000000000..869b1e914
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr18241-3.c
@@ -0,0 +1,31 @@
+/* { dg-do run } */
+/* { dg-options "-O1" } */ 
+
+void abort (void);
+
+void radix_tree_tag_clear (int *node)
+{
+	int *path[2], **pathp = path, height;
+	volatile int *addr;
+	
+	height = 1;
+	pathp[0] = node;
+	
+	while (height > 0) {
+		pathp[1] = pathp[0];
+		pathp++;
+		height--;
+	}
+	
+	addr = pathp[0];
+	*addr = 1;
+}
+
+int main ()
+{
+	int n;
+	radix_tree_tag_clear (&n);
+	if (n != 1)
+		abort ();
+	return 0;
+}