1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/ffs-1.c b/gcc/testsuite/gcc.c-torture/execute/ffs-1.c
new file mode 100644
index 000000000..da82e5580
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/ffs-1.c
@@ -0,0 +1,12 @@
+__volatile int a = 0;
+
+extern void abort (void);
+extern void exit (int);
+
+int
+main (void)
+{
+  if (__builtin_ffs (a) != 0)
+    abort ();
+  exit (0);
+}