[LLVMbugs] [Bug 12294] Clang does not make a for-init-declaration hide a class-name

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Sat Mar 17 06:54:40 PDT 2012


http://llvm.org/bugs/show_bug.cgi?id=12294

Johannes Schaub <schaub.johannes at googlemail.com> changed:

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

--- Comment #1 from Johannes Schaub <schaub.johannes at googlemail.com> 2012-03-17 08:54:40 CDT ---
I think I see now that "redeclared" here does not mean to actually redeclare
that name, but just means to have a declaration declare the same identifier
(gcc and clang still allow class names to redeclare it - i.e if I omit "i++",
both accept the code. I think I can't explain that behavior). Clause 3.3.3p4
says that these declarations are "local to the for/... loop", which I think
means the loop creates an implicit block scope.

So I'm closing this, but I would be glad if you could clear up why clang allows
the class-name declaration of "i".

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