[Issue 12150] New: Regression (2.063): char[] implicitly converts to string in .dup expression

[d-bugmail]

https://d.puremagic.com/issues/show_bug.cgi?id=12150

           Summary: Regression (2.063): char[] implicitly converts to
                    string in .dup expression
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: accepts-invalid
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: andrej.mitrov...@gmail.com


--- Comment #0 from Andrej Mitrovic <andrej.mitrov...@gmail.com> 2014-02-13 
02:10:17 PST ---
-----
int foo(string arg)
{
    return foo(arg.dup);  // calls itself, stack overflow!
}

void main()
{
    foo("foo");
}
-----

Note that storing the .dup to a variable first avoids the accepts-invalid:

-----
int foo(string arg)
{
    auto duped = arg.dup;
    return foo(duped);  // NG, caught at compile-time
}

void main()
{
    foo("foo");
}
-----

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