From 2b884560164aa802ac340524eddaca790c247bbf Mon Sep 17 00:00:00 2001
From: jzmaddock <john@johnmaddock.co.uk>
Date: Sat, 25 Apr 2015 11:31:17 +0100
Subject: [PATCH] Add workaround for GCC-5.1.0 numeric_limits. See
 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65883

---
 include/boost/multiprecision/cpp_int/multiply.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/boost/multiprecision/cpp_int/multiply.hpp b/include/boost/multiprecision/cpp_int/multiply.hpp
index fd569faa..dbf256e9 100644
--- a/include/boost/multiprecision/cpp_int/multiply.hpp
+++ b/include/boost/multiprecision/cpp_int/multiply.hpp
@@ -130,10 +130,12 @@ inline typename enable_if_c<!is_trivial_cpp_int<cpp_int_backend<MinBits1, MaxBit
       for(unsigned j = 0; j < inner_limit; ++j)
       {
          BOOST_ASSERT(i+j < result.size());
+#if (!defined(__GLIBCXX__) && !defined(__GLIBCPP__)) || !BOOST_WORKAROUND(BOOST_GCC_VERSION <= 50100)
          BOOST_ASSERT(!std::numeric_limits<double_limb_type>::is_specialized 
             || ((std::numeric_limits<double_limb_type>::max)() - carry 
                   > 
                 static_cast<double_limb_type>(cpp_int_backend<MinBits1, MaxBits1, SignType1, Checked1, Allocator1>::max_limb_value) * static_cast<double_limb_type>(cpp_int_backend<MinBits1, MaxBits1, SignType1, Checked1, Allocator1>::max_limb_value)));
+#endif
          carry += static_cast<double_limb_type>(pa[i]) * static_cast<double_limb_type>(pb[j]);
          BOOST_ASSERT(!std::numeric_limits<double_limb_type>::is_specialized || ((std::numeric_limits<double_limb_type>::max)() - carry >= pr[i+j]));
          carry += pr[i + j];