--- a/gcc/flag-types.h	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/flag-types.h	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Compilation switch flag type definitions for GCC.
-   Copyright (C) 1987-2017 Free Software Foundation, Inc.
+   Copyright (C) 1987-2018 Free Software Foundation, Inc.
 
 This file is part of GCC.
 
@@ -24,7 +24,6 @@
 {
   NO_DEBUG,	    /* Write no debug info.  */
   DBX_DEBUG,	    /* Write BSD .stabs for DBX (using dbxout.c).  */
-  SDB_DEBUG,	    /* Write COFF for (old) SDB (using sdbout.c).  */
   DWARF2_DEBUG,	    /* Write Dwarf v2 debug info (using dwarf2out.c).  */
   XCOFF_DEBUG,	    /* Write IBM/Xcoff debug info (using dbxout.c).  */
   VMS_DEBUG,        /* Write VMS debug info (using vmsdbgout.c).  */
@@ -247,6 +246,8 @@
   SANITIZE_BOUNDS_STRICT = 1UL << 23,
   SANITIZE_POINTER_OVERFLOW = 1UL << 24,
   SANITIZE_BUILTIN = 1UL << 25,
+  SANITIZE_POINTER_COMPARE = 1UL << 26,
+  SANITIZE_POINTER_SUBTRACT = 1UL << 27,
   SANITIZE_SHIFT = SANITIZE_SHIFT_BASE | SANITIZE_SHIFT_EXPONENT,
   SANITIZE_UNDEFINED = SANITIZE_SHIFT | SANITIZE_DIVIDE | SANITIZE_UNREACHABLE
 		       | SANITIZE_VLA | SANITIZE_NULL | SANITIZE_RETURN
@@ -260,6 +261,15 @@
 				  | SANITIZE_BOUNDS_STRICT
 };
 
+/* Settings of flag_incremental_link.  */
+enum incremental_link {
+  INCREMENTAL_LINK_NONE,
+  /* Do incremental linking and produce binary.  */
+  INCREMENTAL_LINK_NOLTO,
+  /* Do incremental linking and produce IL.  */
+  INCREMENTAL_LINK_LTO
+};
+
 /* Different trace modes.  */
 enum sanitize_coverage_code {
   /* Trace PC.  */
@@ -288,6 +298,7 @@
 enum lto_linker_output {
   LTO_LINKER_OUTPUT_UNKNOWN,
   LTO_LINKER_OUTPUT_REL,
+  LTO_LINKER_OUTPUT_NOLTOREL,
   LTO_LINKER_OUTPUT_DYN,
   LTO_LINKER_OUTPUT_PIE,
   LTO_LINKER_OUTPUT_EXEC