http://llvm.org/bugs/show_bug.cgi?id=9854. Also created an emulated hexfloat literal for use in some of the tests. <sigh> And cleaned up some harmless but irritating warnings in the tests.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@131318 91177308-0d34-0410-b5e6-96231b3b80d8

test/localization/locale.categories/category.numeric/locale.num.get/facet.num.get.members/get_double.pass.cpp

@@ -20,6 +20,7 @@
 #include <streambuf>
 #include <cmath>
 #include "iterators.h"
+#include "../../../../../hexfloat.h"
 
 typedef std::num_get<char, input_iterator<const char*> > F;
 
@@ -105,7 +106,7 @@ int main()
                   ios, err, v);
         assert(iter.base() == str+sizeof(str)-1);
         assert(err == ios.goodbit);
-        assert(v == 0x125p-1);
+        assert(v == hexfloat<double>(0x125, 0, -1));
     }
     {
         const char str[] = "inf";

test/localization/locale.categories/category.numeric/locale.num.get/facet.num.get.members/get_float.pass.cpp

@@ -20,6 +20,7 @@
 #include <streambuf>
 #include <cmath>
 #include "iterators.h"
+#include "../../../../../hexfloat.h"
 
 typedef std::num_get<char, input_iterator<const char*> > F;
 
@@ -93,7 +94,7 @@ int main()
                   ios, err, v);
         assert(iter.base() == str+sizeof(str)-1);
         assert(err == ios.goodbit);
-        assert(v == 0x125p-1);
+        assert(v == hexfloat<float>(0x125, 0, -1));
     }
     {
         const char str[] = "inf";

test/localization/locale.categories/category.numeric/locale.num.get/facet.num.get.members/get_long_double.pass.cpp

@@ -20,6 +20,7 @@
 #include <streambuf>
 #include <cmath>
 #include "iterators.h"
+#include "../../../../../hexfloat.h"
 
 typedef std::num_get<char, input_iterator<const char*> > F;
 
@@ -93,7 +94,7 @@ int main()
                   ios, err, v);
         assert(iter.base() == str+sizeof(str)-1);
         assert(err == ios.goodbit);
-        assert(v == 0x125p-1);
+        assert(v == hexfloat<long double>(0x125, 0, -1));
     }
     {
         const char str[] = "inf";