On Jan 8, 2009, at 4:22 AM, "pluto at agmk dot net" <[email protected]
> wrote:
following code snipet is reducted testcase from external application.
g++ and comeau online accept/reject source differently.
template < class T >
struct A
{
};
template < class U >
struct B
{
#if 1
typedef A< float > A; // <-- accepted by comeau but...
// g++: error: declaration of typedef struct A<float> B<U>::A
// g++: error: changes meaning of A from struct A<float>
#else
typedef ::A< float > A; // <-- accepted by g++ but...
// comeau: class member typedef may not be redeclared
// typedef ::A< float > A;
// ^
#endif
};
GCC is correct. This code is invalid but the standard says for this
case no diagnostic is required so both compilers are correct according
to the standard. Just that edg could be enchened to error about this
case.
--
Summary: bogus 'changes meaning' error?
Product: gcc
Version: 4.3.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pluto at agmk dot net
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38764
