--- gcc-5.5.0.old/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ gcc-5.5.0/libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -187,6 +187,9 @@
 #include "sanitizer_internal_defs.h"
 #include "sanitizer_platform_limits_posix.h"
 
+#define SCSI_IOCTL_TAGGED_ENABLE  0x5383
+#define SCSI_IOCTL_TAGGED_DISABLE 0x5384
+
 namespace __sanitizer {
   unsigned struct_utsname_sz = sizeof(struct utsname);
   unsigned struct_stat_sz = sizeof(struct stat);