<html>
    <head>
      <base href="https://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - fmod and similar method static_assert on aix"
   href="https://llvm.org/bugs/show_bug.cgi?id=28738">28738</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>fmod and similar method static_assert on aix
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libc++
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>unspecified
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>All Bugs
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedclangbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>guojiufu@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org, mclow.lists@gmail.com
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>for below code
  float fa = 0.8;
  float fb = 0.5;
  float fr = 0.0;
  fr = fmod(fa, fb); 

using libc++, there is an static assert on AIX.  

#if !(defined(_LIBCPP_MSVCRT) || defined(_AIX))
inline _LIBCPP_INLINE_VISIBILITY float       fmod(float __lcpp_x, float
__lcpp_y) _NOEXCEPT         \
    {return fmodf(__lcpp_x, __lcpp_y);}
inline _LIBCPP_INLINE_VISIBILITY long double fmod(long double __lcpp_x, long
double __lcpp_y) _NOEXC\
EPT {return fmodl(__lcpp_x, __lcpp_y);}
#endif

Why _AIX is kicked out here?</pre>
        </div>
      </p>
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