[Issue 10922] New: Compiler segfaults when using __traits(parent, {})

[d-bugmail]

http://d.puremagic.com/issues/show_bug.cgi?id=10922

           Summary: Compiler segfaults when using __traits(parent, {})
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nob...@puremagic.com
        ReportedBy: monkeywork...@hotmail.com


--- Comment #0 from monkeywork...@hotmail.com 2013-08-29 12:01:51 PDT ---
uint fib = (in uint n) pure nothrow {
    enum self = __traits(parent, {});
    return (n < 2) ? n : self(n - 1) + self(n - 2);
};

void main() 
{
    import std.stdio;

    writeln(fib(39));
}

This code causes a segfault, as does giving fib the auto storage class instead
of uint. If the code is changed to:

uint fib (in uint n) pure nothrow {
    immutable self = __traits(parent, {});
    return (n < 2) ? n : self(n - 1) + self(n - 2);
};

Then it does not segfault.

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