Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 49 insertions, 0 deletions

diff --git a/gcc-4.9/libitm/testsuite/libitm.c/txrelease.c b/gcc-4.9/libitm/testsuite/libitm.c/txrelease.c
new file mode 100644
index 000000000..37d6b2c9d
--- /dev/null
+++ b/gcc-4.9/libitm/testsuite/libitm.c/txrelease.c
@@ -0,0 +1,49 @@
+/* This test triggers execution of the code that releases per-thread
+   transaction data when a thread exists, potentially repeatedly. However,
+   we currently cannot check whether the data has indeed been released.  */
+
+/* { dg-options "-pthread" } */
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <pthread.h>
+
+static int round = 0;
+static pthread_key_t key;
+
+static void
+thread_exit_handler(void *dummy __attribute__((unused)))
+{
+  if (round == 0)
+    abort();
+  if (round == 1)
+    {
+      // ??? It would be good if we could check here that the transaction has
+      // indeed been released.
+      __transaction_atomic { round++; }
+      if (pthread_setspecific(key, &round))
+	abort();
+    }
+  // ??? It would be good if we could check here that the transaction has
+  // indeed been released (again).
+}
+
+static void *thread (void *dummy __attribute__((unused)))
+{
+  if (pthread_key_create(&key, thread_exit_handler))
+    abort();
+  if (pthread_setspecific(key, &round))
+    abort();
+  __transaction_atomic { round++; }
+  return NULL;
+}
+
+int main()
+{
+  pthread_t pt;
+  pthread_create(&pt, NULL, thread, NULL);
+  pthread_join(pt, NULL);
+  if (round != 2)
+    abort();
+  return 0;
+}