From d723c18fff9863f001db0a9a115794113315f0dd Mon Sep 17 00:00:00 2001
From: Antony Polukhin <antoshkka@gmail.com>
Date: Mon, 12 Aug 2013 16:06:59 +0000
Subject: [PATCH] Update explicit failures markup and
 lexical_cast_float_types_test.cpp: do not run some checks when libc++ is
 used, but do expect other checks to pass well.

[SVN r85322]
---
 test/lexical_cast_float_types_test.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/test/lexical_cast_float_types_test.cpp b/test/lexical_cast_float_types_test.cpp
index aafee05..0179865 100755
--- a/test/lexical_cast_float_types_test.cpp
+++ b/test/lexical_cast_float_types_test.cpp
@@ -297,12 +297,16 @@ void test_float_typess_for_overflows()
     BOOST_CHECK_CLOSE_FRACTION(maxvalue, lexical_cast<test_t>(maxvalue), (std::numeric_limits<test_t>::epsilon()));
     BOOST_CHECK_CLOSE_FRACTION(maxvalue, lexical_cast<test_t>(s_max_value), (std::numeric_limits<test_t>::epsilon()));
 
+#ifndef _LIBCPP_VERSION
+    // libc++ had a bug in implementation of stream conversions for values that must be represented as infinity. 
+    // http://llvm.org/bugs/show_bug.cgi?id=15723#c4
     BOOST_CHECK_THROW(lexical_cast<test_t>(s_max_value+"1"), bad_lexical_cast);
     BOOST_CHECK_THROW(lexical_cast<test_t>(s_max_value+"9"), bad_lexical_cast);
 
-    // VC9 can fail the fllowing tests on floats and doubles when using stingstream...
+    // VC9 can fail the following tests on floats and doubles when using stingstream...
     BOOST_CHECK_THROW(lexical_cast<test_t>("1"+s_max_value), bad_lexical_cast);
     BOOST_CHECK_THROW(lexical_cast<test_t>("9"+s_max_value), bad_lexical_cast);
+#endif
 
     if ( is_same<test_t,float>::value )
     {