[Issue 6713] New: Segfault with typeid of an alias

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=6713

           Summary: Segfault with typeid of an alias
           Product: D
           Version: D2
          Platform: Other
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: clugdbug at yahoo.com.au


--- Comment #0 from Don <clugdbug at yahoo.com.au> 2011-09-22 03:44:21 PDT ---
>From the test suite, test1() in testtypeid.d, if 'typedef' is replaced by
'alias', a runtime segfault occurs. It works if typedef is used instead.

import std.stdio;

class ABC { }

alias ABC DEF; // typedef ABC DEF; is OK.

TypeInfo foo()
{
    ABC c;

    return typeid(DEF);
}

void main()
{
    TypeInfo ti = foo();
    TypeInfo_Typedef td = cast(TypeInfo_Typedef)ti;
    assert(td);

    ti = td.base;

    TypeInfo_Class tc = cast(TypeInfo_Class)ti;
    assert(tc);

    printf("%.*s\n", tc.info.name.length, tc.info.name.ptr);
    assert(tc.info.name == "testtypeid.ABC");

}

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