http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49020

--- Comment #18 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-05-18 
10:22:42 UTC ---
(In reply to comment #15)
> The following code would work anyway:

No, it would make this ambiguous:

#include <cstring>
using namespace std;

int main()
{
    strchr("foo", 'f');
}


(In reply to comment #16)
> Yes, workaround is obvious: add the const_cast to the return value. But is
> there a way to do without it?

Only with assistance from the C library, which is why this is a dup of PR 33935

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