[Issue 4027] New: Nested function's bug in CTFE

[d-bugmail at puremagic.com]

http://d.puremagic.com/issues/show_bug.cgi?id=4027

           Summary: Nested function's bug in CTFE
           Product: D
           Version: 2.041
          Platform: x86
               URL: http://dusers.dip.jp/modules/forum/index.php?topic_id=
                    59#post_id222
        OS/Version: Windows
            Status: NEW
          Severity: normal
          Priority: P2
         Component: DMD
        AssignedTo: nobody at puremagic.com
        ReportedBy: zan77137 at nifty.com


--- Comment #0 from SHOO <zan77137 at nifty.com> 2010-03-29 14:19:25 PDT ---
(This bug was posted to the Japanese community site. I translate this report.)

This code doesn't work!
-------------------------------------------
auto f(string s)
{
    return { return s; };
}
void main()
{
    static immutable s = f("aaa")();
    static assert(s == "aaa");// Error: static assert  (null == "aaa") is false
}
-------------------------------------------



The function fails regardless of the argument when execute the following codes
in CTFE:
-------------------------------------------
auto f(string s)
{
    return { assert(s); };
}
-------------------------------------------



You can take the following measures to avoid this problem:
-------------------------------------------
auto f(string s)
{
    auto _s = s;
    return { assert(_s); };
}
-------------------------------------------

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