--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/asan/pr70541.c	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,34 @@
+/* { dg-do run } */
+/* { dg-options "-fno-builtin-malloc -fno-builtin-free" } */
+/* { dg-skip-if "" { *-*-* } { "*" } { "-O0" } } */
+/* { dg-shouldfail "asan" } */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+struct Simple {
+  int value;
+};
+
+int f(struct Simple simple) {
+  return simple.value;
+}
+
+int main() {
+  struct Simple *psimple = (struct Simple *) malloc(sizeof(struct Simple));
+  psimple->value = 42;
+  free(psimple);
+  printf("%d\n", f(*psimple));
+  return 0;
+}
+
+/* { dg-output "ERROR: AddressSanitizer:? heap-use-after-free on address\[^\n\r]*" } */
+/* { dg-output "0x\[0-9a-f\]+ at pc 0x\[0-9a-f\]+ bp 0x\[0-9a-f\]+ sp 0x\[0-9a-f\]+\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*READ of size 4 at 0x\[0-9a-f\]+ thread T0\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*main (\[^\n\r]*pr70541.c:21|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*freed by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*(interceptor_|wrap_|)free|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "    #1 0x\[0-9a-f\]+ +(in _*main (\[^\n\r]*pr70541.c:20|\[^\n\r]*:0)|\[(\]).*(\n|\r\n|\r)" } */
+/* { dg-output "\[^\n\r]*previously allocated by thread T0 here:\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "    #0 0x\[0-9a-f\]+ +(in _*(interceptor_|wrap_|)malloc|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */
+/* { dg-output "    #1 0x\[0-9a-f\]+ +(in _*main (\[^\n\r]*pr70541.c:18|\[^\n\r]*:0)|\[(\])\[^\n\r]*(\n|\r\n|\r)" } */