diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index cb122353965..86ae32ce9aa 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,11 @@
+2011-04-10  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+	PR libstdc++/48465
+	* configure.ac (libtool_VERSION): Bump library version to 6:16:0.
+	* configure: Regenerate.
+	* config/abi/pre/gnu.ver (GLIBCXX_3.4.16): Export missing symbols.
+	* testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.16.
+
 2011-04-06  Jeffrey Yasskin  <jyasskin@google.com>
 
 	* include/ext/algorithm (is_sorted): In C++0x mode import from
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
index fa5267248ee..839f84669de 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -1264,6 +1264,14 @@ GLIBCXX_3.4.15 {
 
 } GLIBCXX_3.4.14;
 
+GLIBCXX_3.4.16 {
+
+    # libstdc++/48465
+    _ZNSs10_S_compareE[jmy][jmy];
+    _ZNSbIwSt11char_traitsIwESaIwEE10_S_compareE[jmy][jmy];
+
+} GLIBCXX_3.4.15;
+
 # Symbols in the support library (libsupc++) have their own tag.
 CXXABI_1.3 {
 
diff --git a/libstdc++-v3/configure b/libstdc++-v3/configure
index fa6a1a5ccf7..c3cd3a68f81 100755
--- a/libstdc++-v3/configure
+++ b/libstdc++-v3/configure
@@ -2825,7 +2825,7 @@ ac_config_headers="$ac_config_headers config.h"
 ### am handles this now?  ORIGINAL_LD_FOR_MULTILIBS=$LD
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:15:0
+libtool_VERSION=6:16:0
 
 
 # Find the rest of the source tree framework.
diff --git a/libstdc++-v3/configure.ac b/libstdc++-v3/configure.ac
index 1a1964e0ff1..35c54fd4e9a 100644
--- a/libstdc++-v3/configure.ac
+++ b/libstdc++-v3/configure.ac
@@ -12,7 +12,7 @@ AC_CONFIG_HEADER(config.h)
 ### am handles this now?  ORIGINAL_LD_FOR_MULTILIBS=$LD
 
 # For libtool versioning info, format is CURRENT:REVISION:AGE
-libtool_VERSION=6:15:0
+libtool_VERSION=6:16:0
 AC_SUBST(libtool_VERSION)
 
 # Find the rest of the source tree framework.
diff --git a/libstdc++-v3/testsuite/util/testsuite_abi.cc b/libstdc++-v3/testsuite/util/testsuite_abi.cc
index a533311bb73..ea100b6817f 100644
--- a/libstdc++-v3/testsuite/util/testsuite_abi.cc
+++ b/libstdc++-v3/testsuite/util/testsuite_abi.cc
@@ -193,6 +193,7 @@ check_version(symbol& test, bool added)
       known_versions.push_back("GLIBCXX_3.4.13");
       known_versions.push_back("GLIBCXX_3.4.14");
       known_versions.push_back("GLIBCXX_3.4.15");
+      known_versions.push_back("GLIBCXX_3.4.16");
       known_versions.push_back("GLIBCXX_LDBL_3.4");
       known_versions.push_back("GLIBCXX_LDBL_3.4.7");
       known_versions.push_back("GLIBCXX_LDBL_3.4.10");