--- a/gcc/pretty-print.c	Fri Oct 27 22:46:09 2017 +0900
+++ b/gcc/pretty-print.c	Thu Oct 25 07:37:49 2018 +0900
@@ -1,5 +1,5 @@
 /* Various declarations for language-independent pretty-print subroutines.
-   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Copyright (C) 2003-2018 Free Software Foundation, Inc.
    Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net>
 
 This file is part of GCC.
@@ -640,6 +640,16 @@
 	{
 	  attrib_add |= sb.wAttributes & ~attrib_rm;
 	}
+      if (attrib_add & COMMON_LVB_REVERSE_VIDEO)
+	{
+	  /* COMMON_LVB_REVERSE_VIDEO is only effective for DBCS.
+	   * Swap foreground and background colors by hand.
+	   */
+	  attrib_add = (attrib_add & 0xFF00)
+			| ((attrib_add & 0x00F0) >> 4)
+			| ((attrib_add & 0x000F) << 4);
+	  attrib_add &= ~COMMON_LVB_REVERSE_VIDEO;
+	}
       SetConsoleTextAttribute (h, attrib_add);
       break;
     }
@@ -684,7 +694,6 @@
     /* If it is not a console, write everything as-is.  */
     write_all (h, read, strlen (read));
 
-  _close ((intptr_t) h);
   return 1;
 }
 
@@ -696,10 +705,11 @@
    For use e.g. when implementing "+" in client format decoders.  */
 
 void
-text_info::set_location (unsigned int idx, location_t loc, bool show_caret_p)
+text_info::set_location (unsigned int idx, location_t loc,
+			 enum range_display_kind range_display_kind)
 {
   gcc_checking_assert (m_richloc);
-  m_richloc->set_range (line_table, idx, loc, show_caret_p);
+  m_richloc->set_range (idx, loc, range_display_kind);
 }
 
 location_t
@@ -795,6 +805,30 @@
   pp_indentation (pp) = 0;
 }
 
+/* Print X to PP in decimal.  */
+template<unsigned int N, typename T>
+void
+pp_wide_integer (pretty_printer *pp, const poly_int_pod<N, T> &x)
+{
+  if (x.is_constant ())
+    pp_wide_integer (pp, x.coeffs[0]);
+  else
+    {
+      pp_left_bracket (pp);
+      for (unsigned int i = 0; i < N; ++i)
+	{
+	  if (i != 0)
+	    pp_comma (pp);
+	  pp_wide_integer (pp, x.coeffs[i]);
+	}
+      pp_right_bracket (pp);
+    }
+}
+
+template void pp_wide_integer (pretty_printer *, const poly_uint16_pod &);
+template void pp_wide_integer (pretty_printer *, const poly_int64_pod &);
+template void pp_wide_integer (pretty_printer *, const poly_uint64_pod &);
+
 /* Flush the formatted text of PRETTY-PRINTER onto the attached stream.  */
 void
 pp_write_text_to_stream (pretty_printer *pp)
@@ -1209,10 +1243,7 @@
       gcc_assert (!wide || precision == 0);
 
       if (quote)
-	{
-	  pp_string (pp, open_quote);
-	  pp_string (pp, colorize_start (pp_show_color (pp), "quote"));
-	}
+	pp_begin_quote (pp, pp_show_color (pp));
 
       switch (*p)
 	{
@@ -1345,19 +1376,21 @@
 	  {
 	    bool ok;
 
+	    /* Call the format decoder.
+	       Pass the address of "quote" so that format decoders can
+	       potentially disable printing of the closing quote
+	       (e.g. when printing "'TYPEDEF' aka 'TYPE'" in the C family
+	       of frontends).  */
 	    gcc_assert (pp_format_decoder (pp));
 	    ok = pp_format_decoder (pp) (pp, text, p,
-					 precision, wide, plus, hash, quote,
+					 precision, wide, plus, hash, &quote,
 					 formatters[argno]);
 	    gcc_assert (ok);
 	  }
 	}
 
       if (quote)
-	{
-	  pp_string (pp, colorize_stop (pp_show_color (pp)));
-	  pp_string (pp, close_quote);
-	}
+	pp_end_quote (pp, pp_show_color (pp));
 
       obstack_1grow (&buffer->chunk_obstack, '\0');
       *formatters[argno] = XOBFINISH (&buffer->chunk_obstack, const char *);
@@ -1459,23 +1492,38 @@
   pp_buffer (pp)->line_length = 0;
 }
 
-/* Set PREFIX for PRETTY-PRINTER.  */
+/* Set PREFIX for PRETTY-PRINTER, taking ownership of PREFIX, which
+   will eventually be free-ed.  */
+
 void
-pp_set_prefix (pretty_printer *pp, const char *prefix)
+pp_set_prefix (pretty_printer *pp, char *prefix)
 {
+  free (pp->prefix);
   pp->prefix = prefix;
   pp_set_real_maximum_length (pp);
   pp->emitted_prefix = false;
   pp_indentation (pp) = 0;
 }
 
+/* Take ownership of PP's prefix, setting it to NULL.
+   This allows clients to save, overide, and then restore an existing
+   prefix, without it being free-ed.  */
+
+char *
+pp_take_prefix (pretty_printer *pp)
+{
+  char *result = pp->prefix;
+  pp->prefix = NULL;
+  return result;
+}
+
 /* Free PRETTY-PRINTER's prefix, a previously malloc()'d string.  */
 void
 pp_destroy_prefix (pretty_printer *pp)
 {
   if (pp->prefix != NULL)
     {
-      free (CONST_CAST (char *, pp->prefix));
+      free (pp->prefix);
       pp->prefix = NULL;
     }
 }
@@ -1512,10 +1560,9 @@
     }
 }
 
-/* Construct a PRETTY-PRINTER with PREFIX and of MAXIMUM_LENGTH
-   characters per line.  */
+/* Construct a PRETTY-PRINTER of MAXIMUM_LENGTH characters per line.  */
 
-pretty_printer::pretty_printer (const char *p, int l)
+pretty_printer::pretty_printer (int maximum_length)
   : buffer (new (XCNEW (output_buffer)) output_buffer ()),
     prefix (),
     padding (pp_none),
@@ -1529,10 +1576,10 @@
     translate_identifiers (true),
     show_color ()
 {
-  pp_line_cutoff (this) = l;
+  pp_line_cutoff (this) = maximum_length;
   /* By default, we emit prefixes once per message.  */
   pp_prefixing_rule (this) = DIAGNOSTICS_SHOW_PREFIX_ONCE;
-  pp_set_prefix (this, p);
+  pp_set_prefix (this, NULL);
 }
 
 pretty_printer::~pretty_printer ()
@@ -1541,6 +1588,7 @@
     delete m_format_postprocessor;
   buffer->~output_buffer ();
   XDELETE (buffer);
+  free (prefix);
 }
 
 /* Append a string delimited by START and END to the output area of
@@ -1731,6 +1779,26 @@
   pp_space (pp);
 }
 
+/* Add a localized open quote, and if SHOW_COLOR is true, begin colorizing
+   using the "quote" color.  */
+
+void
+pp_begin_quote (pretty_printer *pp, bool show_color)
+{
+  pp_string (pp, open_quote);
+  pp_string (pp, colorize_start (show_color, "quote"));
+}
+
+/* If SHOW_COLOR is true, stop colorizing.
+   Add a localized close quote.  */
+
+void
+pp_end_quote (pretty_printer *pp, bool show_color)
+{
+  pp_string (pp, colorize_stop (show_color));
+  pp_string (pp, close_quote);
+}
+
 
 /* The string starting at P has LEN (at least 1) bytes left; if they
    start with a valid UTF-8 sequence, return the length of that
@@ -2059,10 +2127,7 @@
 {
   /* Avoid introducing locale-specific differences in the results
      by hardcoding open_quote and close_quote.  */
-  const char *old_open_quote = open_quote;
-  const char *old_close_quote = close_quote;
-  open_quote = "`";
-  close_quote = "'";
+  auto_fix_quotes fix_quotes;
 
   /* Verify that plain text is passed through unchanged.  */
   assert_pp_format (SELFTEST_LOCATION, "unformatted", "unformatted");
@@ -2144,10 +2209,6 @@
   assert_pp_format (SELFTEST_LOCATION, "item 3 of 7", "item %i of %i", 3, 7);
   assert_pp_format (SELFTEST_LOCATION, "problem with `bar' at line 10",
 		    "problem with %qs at line %i", "bar", 10);
-
-  /* Restore old values of open_quote and close_quote.  */
-  open_quote = old_open_quote;
-  close_quote = old_close_quote;
 }
 
 /* Run all of the selftests within this file.  */