1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20020320-1.c b/gcc/testsuite/gcc.c-torture/compile/20020320-1.c
new file mode 100644
index 000000000..385c061e1
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20020320-1.c
@@ -0,0 +1,24 @@
+/* PR bootstrap/4192
+   This testcase caused infinite loop in flow (several places),
+   because flow assumes gen_jump generates simple_jump_p.  */
+
+typedef void (*T) (void);
+extern T x[];
+
+void
+foo (void)
+{
+  static T *p = x;
+  static _Bool a;
+  T f;
+
+  if (__builtin_expect (a, 0))
+    return;
+
+  while ((f = *p))
+    {
+      p++;
+      f ();
+    }
+  a = 1;
+}