--- a/gcc/defaults.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/defaults.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Definitions of various defaults for tm.h macros.
-   Copyright (C) 1992-2017 Free Software Foundation, Inc.
+   Copyright (C) 1992-2018 Free Software Foundation, Inc.
    Contributed by Ron Guilmette (rfg@monkeys.com)
 
 This file is part of GCC.
@@ -170,7 +170,7 @@
   do {							\
     fputs (user_label_prefix, (FILE));			\
     fputs ((NAME), (FILE));				\
-  } while (0);
+  } while (0)
 #endif
 
 /* Allow target to print debug info labels specially.  This is useful for
@@ -894,14 +894,10 @@
 #define DEFAULT_GDB_EXTENSIONS 1
 #endif
 
-#ifndef SDB_DEBUGGING_INFO
-#define SDB_DEBUGGING_INFO 0
-#endif
-
 /* If more than one debugging type is supported, you must define
    PREFERRED_DEBUGGING_TYPE to choose the default.  */
 
-#if 1 < (defined (DBX_DEBUGGING_INFO) + (SDB_DEBUGGING_INFO) \
+#if 1 < (defined (DBX_DEBUGGING_INFO) \
          + defined (DWARF2_DEBUGGING_INFO) + defined (XCOFF_DEBUGGING_INFO) \
          + defined (VMS_DEBUGGING_INFO))
 #ifndef PREFERRED_DEBUGGING_TYPE
@@ -913,9 +909,6 @@
 #elif defined DBX_DEBUGGING_INFO
 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
 
-#elif SDB_DEBUGGING_INFO
-#define PREFERRED_DEBUGGING_TYPE SDB_DEBUG
-
 #elif defined DWARF2_DEBUGGING_INFO || defined DWARF2_LINENO_DEBUGGING_INFO
 #define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
 
@@ -1289,6 +1282,10 @@
 #define TARGET_PECOFF 0
 #endif
 
+#ifndef TARGET_COFF
+#define TARGET_COFF 0
+#endif
+
 #ifndef EH_RETURN_HANDLER_RTX
 #define EH_RETURN_HANDLER_RTX NULL
 #endif