------- Comment #4 from pinskia at gcc dot gnu dot org 2006-05-18 04:25 -------
Confirmed, reduced testcase:
template < class T > struct refcounted :
virtual T
{
template < class A1 > refcounted (const A1 & a1) : T () { }
};
struct nfsserv {};
template < class T >
void
sfsserver_cache_alloc (int *ns)
{
new refcounted < nfsserv > (*ns);
}
void
usage ()
{
sfsserver_cache_alloc < int > ( 0);
}
if we change sfsserver_cache_alloc to be a non template it works.
If we change the new ... to a local variable it works.
if we change the argument type of sfsserver_cache_alloc to nfsserv, we get a
secondary bogus error message:
t.cc: In constructor 'refcounted<T>::refcounted(const A1&) [with A1 = nfsserv,
T = nfsserv]':
t.cc:11: instantiated from 'void sfsserver_cache_alloc(nfsserv*) [with T =
int]'
t.cc:16: instantiated from here
t.cc:4: error: could not convert 'a1' to 'bool'
--
pinskia at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
GCC build triplet|i486-linux-gnu |
GCC host triplet|i486-linux-gnu |
GCC target triplet|i486-linux-gnu |
Keywords| |ice-on-valid-code
Known to fail| |4.2.0
Known to work| |4.1.0
Last reconfirmed|0000-00-00 00:00:00 |2006-05-18 04:25:04
date| |
Summary|segfault, related to |[4.2 Regression] segfault,
|constructor instantiation |related to constructor
| |instantiation and virtual
| |base case and templates and
| |new operator
Target Milestone|--- |4.2.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27640
