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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/12577] typeof does not qualify as unqualified-id in certain contexts
Date: Fri, 20 Jan 2012 01:34:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D12577

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

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

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-01-20 0=
1:29:24 UTC ---
t.cc:26:45: error: redefinition of =E2=80=98void (bar::* const foo<bar,
int>::setter)(int)=E2=80=99
t.cc:17:46: error: =E2=80=98void (bar::* const foo<bar, int>::setter)(int)=
=E2=80=99 previously
declared here
t.cc:37:52: error: expected unqualified-id before =E2=80=98*=E2=80=99 token
t.cc:37:54: error: expected primary-expression before =E2=80=98const=E2=80=
=99
t.cc:37:72: error: =E2=80=98JustAPointer<bar>()->bar::getfoobar()=E2=80=99 =
cannot be used as a
function
t.cc:37:74: error: expected primary-expression before =E2=80=98void=E2=80=99
t.cc:38:7: error: expected unqualified-id before =E2=80=98=3D=E2=80=99 token
t.cc:42:52: error: expected unqualified-id before =E2=80=98*=E2=80=99 token
t.cc:42:54: error: expected primary-expression before =E2=80=98const=E2=80=
=99
t.cc:42:68: error: expected primary-expression before =E2=80=98__typeof__=
=E2=80=99
t.cc:42:121: error: =E2=80=98JustAPointer<bar>()->bar::getfoobar()=E2=80=99=
 cannot be used as a
function
t.cc:42:123: error: expected primary-expression before =E2=80=98void=E2=80=
=99
t.cc:43:5: error: expected unqualified-id before =E2=80=98=3D=E2=80=99 token

--- CUT ---
If I use decltype instead of typeof we get:
t.cc:27:45: error: redefinition of =E2=80=98void (bar::* const foo<bar,
int>::setter)(int)=E2=80=99
t.cc:18:46: error: =E2=80=98void (bar::* const foo<bar, int>::setter)(int)=
=E2=80=99 previously
declared here
t.cc:43:127: error: conflicting declaration =E2=80=98int (bar::* const foo<=
bar,
int>::setter)()=E2=80=99
t.cc:18:46: error: =E2=80=98foo<bar, int>::setter=E2=80=99 has a previous d=
eclaration as =E2=80=98void
(bar::* const foo<bar, int>::setter)(int)=E2=80=99

Which looks correct so I am going to close as won't fix as decltype is the =
more
correct choice now.