diff --git a/include/boost/config/compiler/visualc.hpp b/include/boost/config/compiler/visualc.hpp
index cef7a4b7..6245a051 100644
--- a/include/boost/config/compiler/visualc.hpp
+++ b/include/boost/config/compiler/visualc.hpp
@@ -168,7 +168,7 @@
 #  define BOOST_NO_CXX11_DECLTYPE_N3276
 #endif
 
-// C++11 features supported by VC++ 14 CTP1
+// C++11 features supported by VC++ 14 (aka 2014) CTP1
 // Because the CTP is unsupported, unrelease, and only alpha quality,
 // it is only supported if BOOST_MSVC_ENABLE_2014_JUN_CTP is defined.
 //
@@ -261,8 +261,8 @@
 #endif
 
 //
-// last known and checked version is 18.00.21730.1 (VC14 CTP1):
-#if (_MSC_VER > 1800 && _MSC_FULL_VER > 190021730)
+// last known and checked version is 19.00.21901.1 (VC14 CTP2):
+#if (_MSC_VER > 1800 && _MSC_FULL_VER > 190021901)
 #  if defined(BOOST_ASSERT_CONFIG)
 #     error "Unknown compiler version - please run the configure tests and report the results"
 #  else
diff --git a/include/boost/version.hpp b/include/boost/version.hpp
index fc4c9697..c156fd79 100644
--- a/include/boost/version.hpp
+++ b/include/boost/version.hpp
@@ -19,7 +19,7 @@
 //  BOOST_VERSION / 100 % 1000 is the minor version
 //  BOOST_VERSION / 100000 is the major version
 
-#define BOOST_VERSION 105600
+#define BOOST_VERSION 105700
 
 //
 //  BOOST_LIB_VERSION must be defined to be the same as BOOST_VERSION
@@ -27,6 +27,6 @@
 //  number, y is the minor version number, and z is the patch level if not 0.
 //  This is used by <config/auto_link.hpp> to select which library version to link to.
 
-#define BOOST_LIB_VERSION "1_56"
+#define BOOST_LIB_VERSION "1_57"
 
 #endif
diff --git a/test/boost_no_cxx11_user_lit.ipp b/test/boost_no_cxx11_user_lit.ipp
index d1c2054a..090e0c03 100644
--- a/test/boost_no_cxx11_user_lit.ipp
+++ b/test/boost_no_cxx11_user_lit.ipp
@@ -16,10 +16,10 @@ namespace boost_no_cxx11_user_defined_literals {
 
 struct my_literal
 {
-   constexpr my_literal() : val(0) {}
-   constexpr my_literal(int i) : val(i) {}
-   constexpr my_literal(const my_literal& a) : val(a.val) {}
-   constexpr bool operator==(const my_literal& a) const { return val == a.val; }
+   my_literal() : val(0) {}
+   my_literal(int i) : val(i) {}
+   my_literal(const my_literal& a) : val(a.val) {}
+   bool operator==(const my_literal& a) const { return val == a.val; }
    int val;
 };
 
@@ -47,20 +47,20 @@ struct parse_int<base, val, c, Digits...>
 char_value, Digits...>::value };
 };
 
-constexpr my_literal operator "" _suf1(unsigned long long v)
+my_literal operator "" _suf1(unsigned long long v)
 {
    return my_literal(v);
 }
 template <char...PACK>
-constexpr my_literal operator "" _bin()
+my_literal operator "" _bin()
 {
    return parse_int<2, 0, PACK...>::value;
 }
 
 int test()
 {
-   constexpr my_literal a = 0x23_suf1;
-   constexpr my_literal b = 1001_bin;
+   my_literal a = 0x23_suf1;
+   my_literal b = 1001_bin;
    return ((a == my_literal(0x23)) && (b == my_literal(9))) ? 0 : 1;
 }