[Issue 412] New: overloaded function resolution with null parameter

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=412

           Summary: overloaded function resolution with null parameter
           Product: D
           Version: 0.169
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: bugzilla at digitalmars.com
        ReportedBy: benoit at tionex.de


typedef char[] String;

void f( char[] c,  char[] a ){
}

void f( char[] c, String a ){
}

void main(){
    f( "", "" );                // OK
    f( "", cast(String)"" );    // OK
    f( null, "" );              // OK
    f( null, cast(String)"" );  // line 14
}

// d.d(14): function d.f called with argument types:
//        (void*,String)
//matches both:
//        d.f(char[],char[])
//and:
//        d.f(char[],String)


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