--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.dg/tm/memopt-15.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,30 @@
+/* { dg-do compile { target { i?86-*-linux* x86_64-*-linux* } } } */
+/* { dg-options "-fgnu-tm -O -msse2" } */
+
+/* Test the TM vector logging functions.  */
+
+typedef int __attribute__((vector_size (16))) vectype;
+extern int something(void) __attribute__((transaction_safe));
+extern void *malloc (__SIZE_TYPE__) __attribute__((malloc,transaction_safe));
+
+vectype vecky;
+
+vectype f()
+{
+  vectype *p;
+
+  p = malloc (sizeof (*p) * 100);
+
+  __transaction_atomic {
+    /* p[5] is thread private, but not transaction local since the
+       malloc is outside of the transaction.  We can use the logging
+       functions for this.  */
+    p[5] = vecky;
+
+    if (something())
+      __transaction_cancel;
+  }
+  return p[5];
+}
+
+/* { dg-final { scan-assembler "_ITM_LM128" } } */