From dbef2bb1d0453026b49af6d55aa99bcec776ff35 Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Sun, 25 Oct 2015 18:31:51 +0000
Subject: [PATCH] Fix LWG#2244: basic_istream::seekg

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@251246 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/istream                                          | 1 +
 .../input.streams/istream.unformatted/seekg_off.pass.cpp | 9 +++++++++
 www/cxx1z_status.html                                    | 2 +-
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/istream b/include/istream
index 168a4d06..0bcc7eea 100644
--- a/include/istream
+++ b/include/istream
@@ -1407,6 +1407,7 @@ basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir)
     try
     {
 #endif  // _LIBCPP_NO_EXCEPTIONS
+        this->clear(this->rdstate() & ~ios_base::eofbit);
         sentry __sen(*this, true);
         if (__sen)
         {
diff --git a/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
index 73f3da1c..3cedf919 100644
--- a/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
+++ b/test/std/input.output/iostream.format/input.streams/istream.unformatted/seekg_off.pass.cpp
@@ -71,4 +71,13 @@ int main()
         assert(is.fail());
         assert(seekoff_called == 4);
     }
+    {
+        testbuf<char> sb(" 123456789");
+        std::istream is(&sb);
+        is.setstate(std::ios_base::eofbit);
+        assert(is.eof());
+        is.seekg(5, std::ios_base::beg);
+        assert(is.good());
+        assert(!is.eof());
+    }
 }
diff --git a/www/cxx1z_status.html b/www/cxx1z_status.html
index 966cc149..d30d1cb3 100644
--- a/www/cxx1z_status.html
+++ b/www/cxx1z_status.html
@@ -159,7 +159,7 @@
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2219">2219</a></td><td><tt><i>INVOKE</i></tt>-ing a pointer to member with a <tt>reference_wrapper</tt> as the object expression</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2224">2224</a></td><td>Ambiguous status of access to non-live objects</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2234">2234</a></td><td><tt>assert()</tt> should allow usage in constant expressions</td><td>Kona</td><td></td></tr>
-	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2244">2244</a></td><td>Issue on <tt>basic_istream::seekg</tt></td><td>Kona</td><td>Patch Ready</td></tr>
+	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2244">2244</a></td><td>Issue on <tt>basic_istream::seekg</tt></td><td>Kona</td><td>Complete</td></tr>
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2250">2250</a></td><td>Follow-up On Library Issue 2207</td><td>Kona</td><td></td></tr>
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2259">2259</a></td><td>Issues in 17.6.5.5 rules for member functions</td><td>Kona</td><td>Complete</td></tr>
 	<tr><td><a href="http://cplusplus.github.io/LWG/lwg-defects.html#2273">2273</a></td><td><tt>regex_match</tt> ambiguity</td><td>Kona</td><td></td></tr>