1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20090917-1.c b/gcc/testsuite/gcc.c-torture/compile/20090917-1.c
new file mode 100644
index 000000000..2b8c37148
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20090917-1.c
@@ -0,0 +1,55 @@
+typedef int *loop_p;
+typedef struct VEC_loop_p_base
+{
+  unsigned num;
+  loop_p vec[1];
+}
+VEC_loop_p_base;
+
+__inline__ int
+VEC_loop_p_base_iterate (const VEC_loop_p_base * vec_, unsigned ix_,
+			 loop_p * ptr)
+{
+  if (vec_ && ix_ < vec_->num)
+    {
+      *ptr = vec_->vec[ix_];
+      return 1;
+    }
+  else
+    {
+      return 0;
+    }
+}
+
+typedef struct VEC_loop_p_heap
+{
+  VEC_loop_p_base base;
+}
+VEC_loop_p_heap;
+
+
+static __inline__ int
+am_vector_index_for_loop (VEC_loop_p_heap * loop_nest, int loop_num)
+{
+  int i;
+  loop_p l;
+
+  for (i = 0;
+       VEC_loop_p_base_iterate ((loop_nest) ? &(loop_nest)->base : 0, i,
+				&(l)); i++)
+    if (l == loop_num)
+      return i;
+
+  __builtin_unreachable ();
+}
+
+unsigned char
+build_access_matrix (unsigned max)
+{
+  unsigned i;
+  for (i = 0; i < max; i++)
+    {
+      if (am_vector_index_for_loop (foo (), 0))
+	return 0;
+    }
+}