http://d.puremagic.com/issues/show_bug.cgi?id=9879

           Summary: Built-in sizeof should return ErrorExp if error occurs
                    in aggregate type semantics
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: diagnostic
          Severity: minor
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: k.hara.pg@gmail.com


--- Comment #0 from Kenji Hara <k.hara.pg@gmail.com> 2013-04-04 21:12:54 PDT ---
From bug 4269:

With this code, `__traits` should return `false`, but doesn't.

static if (__traits(compiles,A.sizeof)) pragma(msg, "A.sizeof compiles!");
class A { void foo(B b); }

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Kenji Hara <k.hara.pg@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |pull


--- Comment #1 from Kenji Hara <k.hara.pg@gmail.com> 2013-04-04 21:19:38 PDT ---
https://github.com/D-Programming-Language/dmd/pull/1843

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--- Comment #2 from Don <clugdbug@yahoo.com.au> 2013-04-05 03:58:02 PDT ---
This behaviour is intentional.

Although there is an error in a function declared in A, the size of A is still known.

Just as an error inside a function definition doesn't make the type of the function unknown.

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Kenji Hara <k.hara.pg@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID


--- Comment #3 from Kenji Hara <k.hara.pg@gmail.com> 2013-04-05 04:12:03 PDT ---
(In reply to comment #2)
> This behaviour is intentional.
> 
> Although there is an error in a function declared in A, the size of A is still known.
> 
> Just as an error inside a function definition doesn't make the type of the function unknown.

OK, It makes sense. Thanks.

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--- Comment #4 from Kenji Hara <k.hara.pg@gmail.com> 2013-04-05 04:13:30 PDT ---
*** Issue 9856 has been marked as a duplicate of this issue. ***

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