[LLVMbugs] [Bug 22935] Compilation failure when using libc++

[bugzilla-daemon at llvm.org]

https://llvm.org/bugs/show_bug.cgi?id=22935

Marshall Clow (home) <mclow.lists at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |INVALID

--- Comment #2 from Marshall Clow (home) <mclow.lists at gmail.com> ---
Simpler reproducer:

#include <string>
#include <vector>

template <typename T> struct fooboo { enum { value = false };};

template<> struct fooboo<std::vector<char>::iterator> { enum { value = true };
};
template<> struct fooboo<std::string      ::iterator> { enum { value = true };
};

int main() { return 0; }

It turns out that "std::vector<char>::iterator" and "std::string::iterator" are
the same type, and thus you get a multiple definition error.

This is unfortunate, but allowed by the standard. In fact, both could be simply
"char *". (they aren't in libc++, but they could be)

-- 
You are receiving this mail because:
You are on the CC list for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20150317/b3af06ec/attachment.html>