--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/c-c++-common/asan/pr81697.c	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,20 @@
+/* { dg-options "-fmerge-all-constants" } */
+/* { dg-do run } */
+/* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
+
+const char kRecoveryInstallString[] = "NEW";
+const char kRecoveryUpdateString[] = "UPDATE";
+const char kRecoveryUninstallationString1[] = "INSTALL";
+const char kRecoveryUninstallationString2[] = "UNINSTALL";
+
+volatile const int zero = 0;
+
+int
+main()
+{
+  char x1 = kRecoveryInstallString[zero + 0];
+  char x2 = kRecoveryUpdateString[zero + 0];
+  char x3 = kRecoveryUninstallationString1[zero + 0];
+  char x4 = kRecoveryUninstallationString2[zero + 0];
+  return (x1 + x2 + x3 + x4) == 0;
+}