Description Nathan Ridge 2010-12-29 17:14:23 EST

The following code, which compiles fine, gives an error at the indicated line:

#include <string>

using std::streampos;
using std::streamoff;

void g(streamoff);

void f()
{
    streampos p;
    g(p);  // ERROR HERE
}

The error is "Invalid arguments Candidates are: void g(long long int)".

It seems the parser cannot deduce the conversion from streampos to streamoff. Such a conversion is valid (streampos is a typedef for fpos<mbstate>, and fpos has an operator streamoff()).

I think what is confusing the parser is that it cannot resolve mbstate, the template parameter to fpos.

I only experience this problem on Linux, it works fine on Windows. My compiler is gcc 4.5, OS is Ubuntu 10.04.