From f98e603e09daa98f71247d484ccf747031c2ab89 Mon Sep 17 00:00:00 2001
From: Jason Merrill <merrill@gnu.org>
Date: Mon, 4 Apr 1994 21:21:02 +0000
Subject: [PATCH] cccp.c (special_symbol, [...]): Output "__wchar_t" for C++.

        * cccp.c (special_symbol, case T_WCHAR_TYPE): Output "__wchar_t"
        for C++.

From-SVN: r6959
---
 gcc/cccp.c | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/gcc/cccp.c b/gcc/cccp.c
index 5f73a0afe0a..1901cf6059c 100644
--- a/gcc/cccp.c
+++ b/gcc/cccp.c
@@ -3820,8 +3820,15 @@ special_symbol (hp, op)
 #endif
 
   case T_WCHAR_TYPE:
-    buf = (char *) alloca (3 + strlen (WCHAR_TYPE));
-    sprintf (buf, "%s", WCHAR_TYPE);
+    /* In C++, wchar_t is a distinct basic type, and we can expect
+       __wchar_t to be defined by cc1plus.  */
+    if (cplusplus)
+      buf = "__wchar_t";
+    else
+      {
+	buf = (char *) alloca (3 + strlen (WCHAR_TYPE));
+	sprintf (buf, "%s", WCHAR_TYPE);
+      }
     break;
 
   case T_USER_LABEL_PREFIX_TYPE:
-- 
2.30.2