Compiler compatibility test

default_ctr.cpp

#include <map>
#include <string>

using namespace std;

// This is OK.
void func(map<string,string> a=map<string,string>()) {
  return;
}

// This is bad.
class Foo {
  void bar(map<string,string> a=map<string,string>()) {
    return;
  }
};

int main(int argc, char **argv) {
  Foo foo;
  return 0;
}

Works with Linux g++

$ g++ --version
g++ (GCC) 4.4.5 20110214 (Red Hat 4.4.5-6)
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