https://d.puremagic.com/issues/show_bug.cgi?id=12400

           Summary: Misleading/useless diagnostic on bad fully-qualified
                    symbol name
           Product: D
           Version: D2
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: diagnostic
          Severity: regression
          Priority: P2
         Component: DMD
        AssignedTo: nobody@puremagic.com
        ReportedBy: thecybershadow@gmail.com


--- Comment #0 from Vladimir Panteleev <thecybershadow@gmail.com> 2014-03-18 13:31:50 EET ---
//////////// test.d ////////////
import std.typecons;

alias std.typecons.Unqual!int X; ////////////////////////////////

Compiler output:

test.d(1,8): Error: import typecons template identifier 'Unqual' is not a
member of 'import typecons'
test.d(1,8): Error: import typecons template identifier 'Unqual' is not a
member of 'import typecons'
test.d(3,31): Error: undefined identifier 'Unqual'

The first two lines are misleading and useless.

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--- Comment #1 from Kenji Hara <k.hara.pg@gmail.com> 2014-03-18 07:38:34 PDT ---
With 2.065 and earlier, the code had been compiled, but it was incorrect behavior. So the rejection itself is valid and intended result.

But I agree that the diagnostic is problematic. The reported error should be:

test.d(3): Error: undefined identifier 'Unqual' in module std.typecons

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

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


--- Comment #2 from Kenji Hara <k.hara.pg@gmail.com> 2014-03-18 07:42:46 PDT ---
https://github.com/D-Programming-Language/dmd/pull/3391

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

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


--- Comment #3 from Kenji Hara <k.hara.pg@gmail.com> 2014-03-24 00:22:30 PDT ---
(In reply to comment #2)
> https://github.com/D-Programming-Language/dmd/pull/3391

The behavior was introduced by: https://github.com/D-Programming-Language/dmd/pull/2256

But it was reverted by: https://github.com/D-Programming-Language/dmd/pull/3395

So it's no longer issue in git-head.

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

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


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