1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.misc-tests/acker1.c b/gcc/testsuite/gcc.misc-tests/acker1.c
new file mode 100644
index 000000000..aa9d1063c
--- /dev/null
+++ b/gcc/testsuite/gcc.misc-tests/acker1.c
@@ -0,0 +1,23 @@
+#include <stdio.h>
+
+int acker(int, int);
+
+int
+main(void)
+{
+    int n = acker(3,6);
+    if (n != 509)
+	printf("acker(3,6) = %d != 509\n", n);
+    return(0);
+}
+
+int
+acker(int x,int y)
+{
+    if (x==0)
+	return(y+1);
+    else if (y==0)
+	return(acker(x-1,1));
+    else
+	return(acker(x-1, acker(x, y-1)));
+}