[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775 --- Comment #5 from Rich Newman --- (In reply to Manuel López-Ibáñez from comment #4) > Clang 3.0 also reject this, so I am not sure whether is actually valid, but > the repeated messages are suspicious. > EDG accepts it, and I can see nothing wrong with the code according to the standards. The following versions of GCC also reject it with substantially similar error messages: 10.1.0 11.1.0 5.4.0 6.3.0 7.1.0 7.4.0 8.1.0 8.3.0 9.1.0 9.2.0
[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org --- Comment #4 from Manuel López-Ibáñez 2012-01-28 20:04:05 UTC --- Also confirmed with GCC 4.7 rev 180166. Clang 3.0 also reject this, so I am not sure whether is actually valid, but the repeated messages are suspicious. /tmp/webcompile/_9463_0.cc:10:14: error: member 'B' found in multiple base classes of different types void foo(B b); ^ /tmp/webcompile/_9463_0.cc:3:12: note: member found by ambiguous name lookup struct B ^ /tmp/webcompile/_9463_0.cc:3:12: note: member found by ambiguous name lookup /tmp/webcompile/_9463_0.cc:11:14: error: member 'B' found in multiple base classes of different types void bar(B* pb); ^ /tmp/webcompile/_9463_0.cc:3:12: note: member found by ambiguous name lookup struct B ^ /tmp/webcompile/_9463_0.cc:3:12: note: member found by ambiguous name lookup 2 errors generated.
[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775 Rich Newman 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 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
[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
--- Comment #2 from kristian dot spangsege at gmail dot com 2008-08-10 09:49 --- I just confirmed this bug in GCC 4.3.0. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775
[Bug c++/27775] incorrect "ambiguous" error message with multiple inheritance and nested class.
--- Comment #1 from bangerth at dealii dot org 2006-08-06 22:19 --- Confirmed. To make things worse, the diagnostic is really longish right now as well: g/x> c++ -c x.cc x.cc:10: error: reference to 'B' is ambiguous x.cc:4: error: candidates are: struct A::B x.cc:4: error: struct A::B x.cc:10: error: reference to 'B' is ambiguous x.cc:4: error: candidates are: struct A::B x.cc:4: error: struct A::B x.cc:10: error: 'B' has not been declared x.cc:11: error: reference to 'B' is ambiguous x.cc:4: error: candidates are: struct A::B x.cc:4: error: struct A::B x.cc:11: error: reference to 'B' is ambiguous x.cc:4: error: candidates are: struct A::B x.cc:4: error: struct A::B x.cc:11: error: 'B' has not been declared The 'is ambiguous' message is apparently printed twice, and the 'has not been declared' message is, and has long been, bogus... W. -- bangerth at dealii dot org changed: What|Removed |Added CC||bangerth at dealii dot org Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|-00-00 00:00:00 |2006-08-06 22:19:48 date|| http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27775
