[Bug c++/51191] New: [C++0x] SEGV on deducing template aliases with non-template alias declarations
gintensubaru at gmail dot com
gcc-bugzilla@gcc.gnu.org
Thu Nov 17 12:43:00 GMT 2011
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51191
Bug #: 51191
Summary: [C++0x] SEGV on deducing template aliases with
non-template alias declarations
Classification: Unclassified
Product: gcc
Version: 4.7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: gintensubaru@gmail.com
Code:
template< class T >
class ClassTemplate {};
template< class T >
struct Metafunction {
typedef T type;
};
template< class T >
using TemplateAlias = ClassTemplate< typename Metafunction<T>::type >;
using Alias = TemplateAlias<int>;
// no SEGV if changed to "typedef TemplateAlias<int> Alias;"
template< class T >
void f( TemplateAlias<T> );
int main()
{
Alias x; // no SEGV if changed to "TemplateAlias<int> x;"
f( x ); // no SEGV if changed to "f<int>(x);"
}
Message:
In function 'int main()':
Segmentation fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
GCC version:
gcc-4.7-20111112
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