libitm: Fix recent changes to allocations log.

	libitm/
	* libitm_i.h (gtm_alloc_action): Remove union.
	* testsuite/libitm.c/alloc-1.c: New.

From-SVN: r230727

1 files changed, 17 insertions, 0 deletions

diff --git a/libitm/testsuite/libitm.c/alloc-1.c b/libitm/testsuite/libitm.c/alloc-1.c
new file mode 100644
index 0000000..49faab5
--- /dev/null
+++ b/libitm/testsuite/libitm.c/alloc-1.c
@@ -0,0 +1,17 @@
+// Test that rolling back allocations works.
+#include <stdlib.h>
+
+void __attribute((transaction_pure,noinline)) dont_optimize(void* p)
+{
+  *(volatile char *) p;
+}
+
+int main()
+{
+  __transaction_atomic {
+    void *p = malloc (23);
+    dont_optimize (p);
+    __transaction_cancel;
+  }
+  return 0;
+}