[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch.

Merge gcc-4_9 source r214745 from google/gcc-4_9 branch.

Change-Id: Ie6fa0fd72f4b4eec3adc4db4bb922e652d1c2605

1 files changed, 50 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.target/mips/pr62030-octeon.c b/gcc-4.9/gcc/testsuite/gcc.target/mips/pr62030-octeon.c
new file mode 100644
index 000000000..5e3d3b3b6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/mips/pr62030-octeon.c
@@ -0,0 +1,50 @@
+/* { dg-do run } */
+/* { dg-options "-march=octeon" } */
+
+extern void abort (void);
+
+struct node
+{
+  struct node *next;
+  struct node *prev;
+};
+
+struct node node;
+
+struct head
+{
+  struct node *first;
+};
+
+struct head heads[5];
+
+int k = 2;
+
+struct head *head = &heads[2];
+
+static int __attribute__((noinline))
+foo (void)
+{
+  node.prev = (void *)head;
+  head->first = &node;
+
+  struct node *n = head->first;
+  struct head *h = &heads[k];
+  struct node *next = n->next;
+
+  if (n->prev == (void *)h)
+    h->first = next;
+  else
+    n->prev->next = next;
+
+  n->next = h->first;
+  return n->next == &node;
+}
+
+int
+main (void)
+{
+  if (foo ())
+    abort ();
+  return 0;
+}