[Issue 5925] New: Comparing associative array with a storage class (const/shared/immutable) causes segfault

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=5925

           Summary: Comparing associative array with a storage class
                    (const/shared/immutable) causes segfault
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: wrong-code
          Severity: normal
          Priority: P2
         Component: druntime
        AssignedTo: nobody at puremagic.com
        ReportedBy: kennytm at gmail.com


--- Comment #0 from kennytm at gmail.com 2011-05-03 12:12:32 PDT ---
Test case:

-----------------------
void main() {
    const a = [4:0];
    const b = [4:0];
    assert(a == b);
}
-----------------------

This causes a NULL-pointer exception in _aaEqual. The problem is _aaEqual's
signature is

    int _aaEqual(TypeInfo_AssociativeArray ti, AA e1, AA e2)
  //             ^^^^^^^^^^^^^^^^^^^^^^^^^

but the typeid of a const AA is a TypeInfo_Const, so the 'ti.keys' used later
is invalid.

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