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[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.

From: "rnewman at compubrite dot com" <gcc-bugzilla at gcc dot gnu dot org>
To: gcc-bugs at gcc dot gnu dot org
Date: Fri, 27 Jan 2012 17:12:13 +0000
Subject: [Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
Auto-submitted: auto-generated
References: <bug-27775-4@http.gcc.gnu.org/bugzilla/>

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775

Rich Newman <rnewman at compubrite dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|4.0.0                       |4.5.1
      Known to fail|                            |4.3.0, 4.3.4, 4.4.4, 4.5.1

--- Comment #3 from Rich Newman <rnewman at compubrite dot com> 2012-01-27 17:12:13 UTC ---
Bug still in version 4.3.4:

$ g++ -c bug27775.cc
bug27775.cc:11: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:11: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:11: error: 'B' has not been declared
bug27775.cc:12: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:12: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:12: error: 'B' has not been declared
$ g++ -dumpversion
4.3.4

Also in version 4.4.4:
$ g++ -c bug27775.cc
bug27775.cc:11: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:11: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:11: error: 'B' has not been declared
bug27775.cc:12: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:12: error: reference to 'B' is ambiguous
bug27775.cc:5: error: candidates are: struct A::B
bug27775.cc:5: error:                 struct A::B
bug27775.cc:12: error: 'B' has not been declared
$ g++ -dumpversion
4.4.4
$

Also in 4.5.1:

$ g++ -c bug27775.cc
bug27775.cc:11:14: error: reference to 'B' is ambiguous
bug27775.cc:5:5: error: candidates are: struct A::B A::B::B
bug27775.cc:5:5: error:                 struct A::B
bug27775.cc:11:14: error: 'B' has not been declared
bug27775.cc:12:14: error: reference to 'B' is ambiguous
bug27775.cc:5:5: error: candidates are: struct A::B A::B::B
bug27775.cc:5:5: error:                 struct A::B
bug27775.cc:12:14: error: 'B' has not been declared
$ g++ -dumpversion
4.5.1

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