[LLVMbugs] [Bug 22993] stl::sort cannot sort globally declared vector of struct type

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=22993

Dimitry Andric <dimitry at andric.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |dimitry at andric.com
         Resolution|---                         |INVALID

--- Comment #1 from Dimitry Andric <dimitry at andric.com> ---
You should write EDGE::operator() so that it returns true only if one element
is less than another, not less than or equal.  E.g, the semantics should be
"<", not "<=":

   bool operator () (EDGE const& a, EDGE const& b) const {
      return a.c < b.c;
   }

With that in place, the program will work as you expected.

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