Upstream-Status: Inappropriate [Backport]
From c6deb5c58fde1c5115d9e92afb2ead8e7ac4fea0 Mon Sep 17 00:00:00 2001
From: jakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 23 Apr 2011 23:33:39 +0000
Subject: [PATCH 174/200] 	PR preprocessor/48740
 	* lex.c (lex_raw_string): When raw string ends with
 	??) followed by raw prefix and ", ensure it is preprocessed
 	with ??) rather than ??].

	* c-c++-common/raw-string-11.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_6-branch@172904 138bc75d-0d04-0410-961f-82ee72b054a4

new file mode 100644
index 0000000..49ceba2
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/raw-string-11.c
@@ -0,0 +1,13 @@
+// PR preprocessor/48740
+// { dg-options "-std=gnu99 -trigraphs -save-temps" { target c } }
+// { dg-options "-std=c++0x -save-temps" { target c++ } }
+// { dg-do run }
+
+int main ()
+{
+  return __builtin_memcmp (R"raw(foo%sbar%sfred%sbob?????)raw",
+			   "foo%sbar%sfred%sbob?""?""?""?""?",
+			   sizeof ("foo%sbar%sfred%sbob?""?""?""?""?"));
+}
+
+// { dg-final { cleanup-saved-temps } }
index c9b5c95..3bf4886 100644
--- a/libcpp/lex.c
+++ b/libcpp/lex.c
@@ -1410,7 +1410,9 @@ lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base,
 				       raw_prefix_len) == 0
 			   && cur[raw_prefix_len+1] == '"')
 		    {
-		      cur += raw_prefix_len+2;
+		      BUF_APPEND (")", 1);
+		      base++;
+		      cur += raw_prefix_len + 2;
 		      goto break_outer_loop;
 		    }
 		  else
-- 
1.7.0.4